Add and Subtract Fractions 2
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Question 1 of 4
1. Question
Add the following37+2737+27Write the fraction in the format “a/b”- (5/7)
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To add fractions with like denominators, add the numerators
and keep the same denominator.Since the denominators are the same, add only the numerators37+2737+27 == 5757 Keep the same denominator 5757 -
Question 2 of 4
2. Question
Add the following. Simplify if needed.1316+5161316+516- 1.
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To add fractions with like denominators, add the numerators
and keep the same denominator.Since the denominators are the same, add only the numerators1316+5161316+516 == 18161816 Keep the same denominator Change the improper fraction to a mixed fractionDivide the numerator by the denominatorArrange the numbers for long division1616 goes into 1818 one time. So write 11 above the line.Multiply 11 to 1616 and write the answer below 1818Subtract 1616 from 1818 and write the answer one line belowSince 1616 cannot go into 22 anymore, 22 is left as the Remainder and 11 is the QuotientSubstitute values into the given formulabcbc == QRcQRc 18161816 == 12161216 == 12÷216÷212÷216÷2 == 118118 118118 -
Question 3 of 4
3. Question
Add the following34+12034+120Write the fraction in the format “a/b”- (4/5)
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Add fractions with unlike denominators by transforming the fractions so that they have the like denominatorsMethod OneStart with listing out multiples of 44 and 2020Multiples of 44:4812162048121620Multiples of 2020:204060204060The LCDLCD of 44 and 2020 is 2020Use the LCDLCD as the denominator for both fractions then proceed with adding.34+12034+120 == 3×54×5+1203×54×5+120 Multiply by 55 so that the denominator becomes 2020 == 1520+1201520+120 Add the numerators == 16201620 Keep the same denominator == 16÷420÷416÷420÷4 Simplify the fraction == 4545 4545Method TwoFirst, multiply the two denominators. Use the product as a denominator for a new fraction.34+12034+120 == ☐4×20 = ☐80 To get the numerator, cross multiply the given addition problem and add the products.34+120 = (3×20)+(4×1)80 = 60+480 = 6480 Simplify the fraction6480 = 64÷880÷8 Both 64 and 80 are divisible by 8 = 810 = 8÷210÷2 Both 8 and 10 are divisible by 2 = 45 45 -
Question 4 of 4
4. Question
Add the following25+14Write the fraction in the format “a/b”- (13/20)
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Add fractions with unlike denominators by transforming the fractions so that they have the like denominatorsMethod OneStart with listing out multiples of 5 and 4Multiples of 5:51015202530Multiples of 4:4812162024The LCD of 5 and 4 is 20Use the LCD as the denominator for both fractions then proceed with adding.25+14 = 2×45×4+1×54×5 Multiply each fraction so that their denominator becomes 20 = 820+520 Add the numerators = 1320 Keep the same denominator 1320Method TwoFirst, multiply the two denominators. Use the product as a denominator for a new fraction.25+14 = ☐5×4 = ☐20 To get the numerator, cross multiply the given addition problem and add the products.25+14 = (2×4)+(5×1)20 = 8+520 = 1320 1320
Quizzes
- Shaded Fractions 1
- Shaded Fractions 2
- Equivalent Fractions 1
- Equivalent Fractions 2
- Equivalent Fractions 3
- Equivalent Fractions 4
- Simplify Fractions 1
- Simplify Fractions 2
- Simplify Fractions 3
- Find the Lowest Common Denominator
- Comparing Fractions 1
- Comparing Fractions 2
- Comparing Fractions 3
- Mixed and Improper Fractions 1
- Mixed and Improper Fractions 2
- Mixed and Improper Fractions 3
- Add and Subtract Fractions 1
- Add and Subtract Fractions 2
- Add and Subtract Fractions 3
- Add and Subtract Fractions 4
- Multiply and Divide Fractions 1
- Multiply and Divide Fractions 2
- Multiply and Divide Fractions 3
- Add and Subtract Mixed Numbers 1
- Add and Subtract Mixed Numbers 2
- Add and Subtract Mixed Numbers 3
- Multiply and Divide Mixed Numbers 1
- Multiply and Divide Mixed Numbers 2
- Multiply and Divide Mixed Numbers 3
- Multiply and Divide Mixed Numbers 4
- Fraction Word Problems: Addition and Subtraction 1
- Fraction Word Problems: Addition and Subtraction 2
- Fraction Word Problems: Addition and Subtraction 3
- Fraction Word Problems: Addition and Subtraction 4
- Fraction Word Problems: Multiplication and Division
- Find the Fraction of a Quantity
- Find the Quantity of a Quantity 1
- Find the Quantity of a Quantity 2
- Find the Fraction of a Quantity: Word Problems 1
- Find the Fraction of a Quantity: Word Problems 2
- Find the Fraction of a Quantity: Word Problems 3
- Find the Fraction of a Quantity: Word Problems 4
- Find the Quantity of a Quantity: Word Problems
- Order of Operations Involving Fractions 1
- Order of Operations Involving Fractions 2