Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/90 and 60/84

70/90 + 60/84 is 94/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 84 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 90 × 14 = 1260,
    70/90 = 70 × 14/90 × 14 = 980/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    60/84 = 60 × 15/84 × 15 = 900/1260
  4. Add the two like fractions:
    980/1260 + 900/1260 = 980 + 900/1260 = 1880/1260
  5. 1880/1260 simplified gives 94/63
  6. So, 70/90 + 60/84 = 94/63
    In mixed form: 131/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com