Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/72 and 40/64

18/72 + 40/64 is 7/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 64 is 576

    Next, find the equivalent fraction of both fractional numbers with denominator 576
  2. For the 1st fraction, since 72 × 8 = 576,
    18/72 = 18 × 8/72 × 8 = 144/576
  3. Likewise, for the 2nd fraction, since 64 × 9 = 576,
    40/64 = 40 × 9/64 × 9 = 360/576
  4. Add the two like fractions:
    144/576 + 360/576 = 144 + 360/576 = 504/576
  5. 504/576 simplified gives 7/8
  6. So, 18/72 + 40/64 = 7/8

MathStep (Works offline)

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

Related:

© everydaycalculation.com