Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/70 and 40/20

1st number: 5/70, 2nd number: 2 0/20

5/70 + 40/20 is 29/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 20 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    5/70 = 5 × 2/70 × 2 = 10/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    40/20 = 40 × 7/20 × 7 = 280/140
  4. Add the two like fractions:
    10/140 + 280/140 = 10 + 280/140 = 290/140
  5. 290/140 simplified gives 29/14
  6. So, 5/70 + 40/20 = 29/14
    In mixed form: 21/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com