Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/8 and 21/4

1st number: 8 6/8, 2nd number: 5 1/4

70/8 + 21/4 is 14/1.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 4 is 8

    Next, find the equivalent fraction of both fractional numbers with denominator 8
  2. For the 1st fraction, since 8 × 1 = 8,
    70/8 = 70 × 1/8 × 1 = 70/8
  3. Likewise, for the 2nd fraction, since 4 × 2 = 8,
    21/4 = 21 × 2/4 × 2 = 42/8
  4. Add the two like fractions:
    70/8 + 42/8 = 70 + 42/8 = 112/8
  5. 112/8 simplified gives 14/1
  6. So, 70/8 + 21/4 = 14/1

MathStep (Works offline)

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

Related:

© everydaycalculation.com