Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/28 and 42/49

7/28 + 42/49 is 31/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 49 is 196

    Next, find the equivalent fraction of both fractional numbers with denominator 196
  2. For the 1st fraction, since 28 × 7 = 196,
    7/28 = 7 × 7/28 × 7 = 49/196
  3. Likewise, for the 2nd fraction, since 49 × 4 = 196,
    42/49 = 42 × 4/49 × 4 = 168/196
  4. Add the two like fractions:
    49/196 + 168/196 = 49 + 168/196 = 217/196
  5. 217/196 simplified gives 31/28
  6. So, 7/28 + 42/49 = 31/28
    In mixed form: 13/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com