Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/30 and 7/5

1st number: 20/30, 2nd number: 1 2/5

20/30 + 7/5 is 31/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 5 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 30 × 1 = 30,
    20/30 = 20 × 1/30 × 1 = 20/30
  3. Likewise, for the 2nd fraction, since 5 × 6 = 30,
    7/5 = 7 × 6/5 × 6 = 42/30
  4. Add the two like fractions:
    20/30 + 42/30 = 20 + 42/30 = 62/30
  5. 62/30 simplified gives 31/15
  6. So, 20/30 + 7/5 = 31/15
    In mixed form: 21/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com