Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/56 and 90/6

1st number: 21/56, 2nd number: 15 0/6

21/56 + 90/6 is 123/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 6 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 56 × 3 = 168,
    21/56 = 21 × 3/56 × 3 = 63/168
  3. Likewise, for the 2nd fraction, since 6 × 28 = 168,
    90/6 = 90 × 28/6 × 28 = 2520/168
  4. Add the two like fractions:
    63/168 + 2520/168 = 63 + 2520/168 = 2583/168
  5. 2583/168 simplified gives 123/8
  6. So, 21/56 + 90/6 = 123/8
    In mixed form: 153/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com