Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/12 and 8/63

1st number: 7 6/12, 2nd number: 8/63

90/12 + 8/63 is 961/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 63 is 252
  2. For the 1st fraction, since 12 × 21 = 252,
    90/12 = 90 × 21/12 × 21 = 1890/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    8/63 = 8 × 4/63 × 4 = 32/252
  4. Add the two fractions:
    1890/252 + 32/252 = 1890 + 32/252 = 1922/252
  5. 1922/252 simplified gives 961/126
  6. So, 90/12 + 8/63 = 961/126
    In mixed form: 779/126

MathStep (Works offline)

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

Related:

© everydaycalculation.com