Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/90 and 30/32

18/90 + 30/32 is 91/80.

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,
    18/90 = 18 × 16/90 × 16 = 288/1440
  3. Likewise, for the 2nd fraction, since 32 × 45 = 1440,
    30/32 = 30 × 45/32 × 45 = 1350/1440
  4. Add the two like fractions:
    288/1440 + 1350/1440 = 288 + 1350/1440 = 1638/1440
  5. 1638/1440 simplified gives 91/80
  6. So, 18/90 + 30/32 = 91/80
    In mixed form: 111/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com