Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 48/28 and 7/21

1st number: 1 20/28, 2nd number: 7/21

48/28 + 7/21 is 43/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 21 is 84
  2. For the 1st fraction, since 28 × 3 = 84,
    48/28 = 48 × 3/28 × 3 = 144/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    7/21 = 7 × 4/21 × 4 = 28/84
  4. Add the two fractions:
    144/84 + 28/84 = 144 + 28/84 = 172/84
  5. After reducing the fraction, the answer is 43/21
  6. In mixed form: 21/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com