Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/84 and 96/90

1st number: 12/84, 2nd number: 1 6/90

12/84 + 96/90 is 127/105.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 84 × 15 = 1260,
    12/84 = 12 × 15/84 × 15 = 180/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    96/90 = 96 × 14/90 × 14 = 1344/1260
  4. Add the two like fractions:
    180/1260 + 1344/1260 = 180 + 1344/1260 = 1524/1260
  5. 1524/1260 simplified gives 127/105
  6. So, 12/84 + 96/90 = 127/105
    In mixed form: 122/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com