Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/7 and 98/20

1st number: 5 5/7, 2nd number: 4 18/20

40/7 + 98/20 is 743/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 7 × 20 = 140,
    40/7 = 40 × 20/7 × 20 = 800/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    98/20 = 98 × 7/20 × 7 = 686/140
  4. Add the two like fractions:
    800/140 + 686/140 = 800 + 686/140 = 1486/140
  5. 1486/140 simplified gives 743/70
  6. So, 40/7 + 98/20 = 743/70
    In mixed form: 1043/70

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com