Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/90 and 60/32

1st number: 21/90, 2nd number: 1 28/32

21/90 + 60/32 is 253/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 32 is 1440

    Next, find the equivalent fraction of both fractional numbers with denominator 1440
  2. For the 1st fraction, since 90 × 16 = 1440,
    21/90 = 21 × 16/90 × 16 = 336/1440
  3. Likewise, for the 2nd fraction, since 32 × 45 = 1440,
    60/32 = 60 × 45/32 × 45 = 2700/1440
  4. Add the two like fractions:
    336/1440 + 2700/1440 = 336 + 2700/1440 = 3036/1440
  5. 3036/1440 simplified gives 253/120
  6. So, 21/90 + 60/32 = 253/120
    In mixed form: 213/120

MathStep (Works offline)

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

Related:

© everydaycalculation.com