Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 25/20 and 5/7

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

25/20 + 5/7 is 55/28.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    25/20 = 25 × 7/20 × 7 = 175/140
  3. Likewise, for the 2nd fraction, since 7 × 20 = 140,
    5/7 = 5 × 20/7 × 20 = 100/140
  4. Add the two like fractions:
    175/140 + 100/140 = 175 + 100/140 = 275/140
  5. 275/140 simplified gives 55/28
  6. So, 25/20 + 5/7 = 55/28
    In mixed form: 127/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com