Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/42 and 36/72

30/42 + 36/72 is 17/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 42 × 12 = 504,
    30/42 = 30 × 12/42 × 12 = 360/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    36/72 = 36 × 7/72 × 7 = 252/504
  4. Add the two like fractions:
    360/504 + 252/504 = 360 + 252/504 = 612/504
  5. 612/504 simplified gives 17/14
  6. So, 30/42 + 36/72 = 17/14
    In mixed form: 13/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com