Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/14 and 21/3

1st number: 6 6/14, 2nd number: 7 0/3

90/14 + 21/3 is 94/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 3 is 42

    Next, find the equivalent fraction of both fractional numbers with denominator 42
  2. For the 1st fraction, since 14 × 3 = 42,
    90/14 = 90 × 3/14 × 3 = 270/42
  3. Likewise, for the 2nd fraction, since 3 × 14 = 42,
    21/3 = 21 × 14/3 × 14 = 294/42
  4. Add the two like fractions:
    270/42 + 294/42 = 270 + 294/42 = 564/42
  5. 564/42 simplified gives 94/7
  6. So, 90/14 + 21/3 = 94/7
    In mixed form: 133/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com