Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 5/72 and 98/90

1st number: 5/72, 2nd number: 1 8/90

5/72 + 98/90 is 139/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    5/72 = 5 × 5/72 × 5 = 25/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    98/90 = 98 × 4/90 × 4 = 392/360
  4. Add the two like fractions:
    25/360 + 392/360 = 25 + 392/360 = 417/360
  5. 417/360 simplified gives 139/120
  6. So, 5/72 + 98/90 = 139/120
    In mixed form: 119/120

MathStep (Works offline)

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

Related:

© everydaycalculation.com