Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 10/70 and 30/28

1st number: 10/70, 2nd number: 1 2/28

10/70 + 30/28 is 17/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 28 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    10/70 = 10 × 2/70 × 2 = 20/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    30/28 = 30 × 5/28 × 5 = 150/140
  4. Add the two like fractions:
    20/140 + 150/140 = 20 + 150/140 = 170/140
  5. 170/140 simplified gives 17/14
  6. So, 10/70 + 30/28 = 17/14
    In mixed form: 13/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com