Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/7 and 2/20

1st number: 1 3/7, 2nd number: 2/20

10/7 + 2/20 is 107/70.

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,
    10/7 = 10 × 20/7 × 20 = 200/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    2/20 = 2 × 7/20 × 7 = 14/140
  4. Add the two like fractions:
    200/140 + 14/140 = 200 + 14/140 = 214/140
  5. 214/140 simplified gives 107/70
  6. So, 10/7 + 2/20 = 107/70
    In mixed form: 137/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com