Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/72 and 8/42

70/72 + 8/42 is 293/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 42 is 504
  2. For the 1st fraction, since 72 × 7 = 504,
    70/72 = 70 × 7/72 × 7 = 490/504
  3. Likewise, for the 2nd fraction, since 42 × 12 = 504,
    8/42 = 8 × 12/42 × 12 = 96/504
  4. Add the two fractions:
    490/504 + 96/504 = 490 + 96/504 = 586/504
  5. 586/504 simplified gives 293/252
  6. So, 70/72 + 8/42 = 293/252
    In mixed form: 141/252

MathStep (Works offline)

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

Related:

© everydaycalculation.com