Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/36 and 70/8

1st number: 21/36, 2nd number: 8 6/8

21/36 + 70/8 is 28/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 36 × 2 = 72,
    21/36 = 21 × 2/36 × 2 = 42/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    70/8 = 70 × 9/8 × 9 = 630/72
  4. Add the two like fractions:
    42/72 + 630/72 = 42 + 630/72 = 672/72
  5. 672/72 simplified gives 28/3
  6. So, 21/36 + 70/8 = 28/3
    In mixed form: 91/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com