Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/16 and 18/72

1st number: 5 10/16, 2nd number: 18/72

90/16 + 18/72 is 47/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 72 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 16 × 9 = 144,
    90/16 = 90 × 9/16 × 9 = 810/144
  3. Likewise, for the 2nd fraction, since 72 × 2 = 144,
    18/72 = 18 × 2/72 × 2 = 36/144
  4. Add the two like fractions:
    810/144 + 36/144 = 810 + 36/144 = 846/144
  5. 846/144 simplified gives 47/8
  6. So, 90/16 + 18/72 = 47/8
    In mixed form: 57/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com