Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/10 and 70/28

1st number: 1 5/10, 2nd number: 2 14/28

15/10 + 70/28 is 4/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 10 × 14 = 140,
    15/10 = 15 × 14/10 × 14 = 210/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    70/28 = 70 × 5/28 × 5 = 350/140
  4. Add the two like fractions:
    210/140 + 350/140 = 210 + 350/140 = 560/140
  5. 560/140 simplified gives 4/1
  6. So, 15/10 + 70/28 = 4/1

MathStep (Works offline)

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

Related:

© everydaycalculation.com