Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/72 and 21/30

4/72 + 21/30 is 34/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 30 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    4/72 = 4 × 5/72 × 5 = 20/360
  3. Likewise, for the 2nd fraction, since 30 × 12 = 360,
    21/30 = 21 × 12/30 × 12 = 252/360
  4. Add the two like fractions:
    20/360 + 252/360 = 20 + 252/360 = 272/360
  5. 272/360 simplified gives 34/45
  6. So, 4/72 + 21/30 = 34/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com