Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 28/21 and 50/8

1st number: 1 7/21, 2nd number: 6 2/8

28/21 + 50/8 is 91/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 8 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 21 × 8 = 168,
    28/21 = 28 × 8/21 × 8 = 224/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    50/8 = 50 × 21/8 × 21 = 1050/168
  4. Add the two like fractions:
    224/168 + 1050/168 = 224 + 1050/168 = 1274/168
  5. 1274/168 simplified gives 91/12
  6. So, 28/21 + 50/8 = 91/12
    In mixed form: 77/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com