Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/18 and 81/7

1st number: 7/18, 2nd number: 11 4/7

7/18 + 81/7 is 1507/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 7 is 126
  2. For the 1st fraction, since 18 × 7 = 126,
    7/18 = 7 × 7/18 × 7 = 49/126
  3. Likewise, for the 2nd fraction, since 7 × 18 = 126,
    81/7 = 81 × 18/7 × 18 = 1458/126
  4. Add the two fractions:
    49/126 + 1458/126 = 49 + 1458/126 = 1507/126
  5. So, 7/18 + 81/7 = 1507/126
    In mixed form: 11121/126

MathStep (Works offline)

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

Related:

© everydaycalculation.com