Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/45 and 5/72

7/45 + 5/72 is 9/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 45 × 8 = 360,
    7/45 = 7 × 8/45 × 8 = 56/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    5/72 = 5 × 5/72 × 5 = 25/360
  4. Add the two like fractions:
    56/360 + 25/360 = 56 + 25/360 = 81/360
  5. 81/360 simplified gives 9/40
  6. So, 7/45 + 5/72 = 9/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com