Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 48/21 and 63/7

1st number: 2 6/21, 2nd number: 9 0/7

48/21 + 63/7 is 79/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 7 is 21

    Next, find the equivalent fraction of both fractional numbers with denominator 21
  2. For the 1st fraction, since 21 × 1 = 21,
    48/21 = 48 × 1/21 × 1 = 48/21
  3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
    63/7 = 63 × 3/7 × 3 = 189/21
  4. Add the two like fractions:
    48/21 + 189/21 = 48 + 189/21 = 237/21
  5. 237/21 simplified gives 79/7
  6. So, 48/21 + 63/7 = 79/7
    In mixed form: 112/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com