Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/42 and 3/72

4/42 + 3/72 is 23/168.

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,
    4/42 = 4 × 12/42 × 12 = 48/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    3/72 = 3 × 7/72 × 7 = 21/504
  4. Add the two like fractions:
    48/504 + 21/504 = 48 + 21/504 = 69/504
  5. 69/504 simplified gives 23/168
  6. So, 4/42 + 3/72 = 23/168

MathStep (Works offline)

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

Related:

© everydaycalculation.com