Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/70 and 28/60

18/70 + 28/60 is 76/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 60 is 420
  2. For the 1st fraction, since 70 × 6 = 420,
    18/70 = 18 × 6/70 × 6 = 108/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    28/60 = 28 × 7/60 × 7 = 196/420
  4. Add the two fractions:
    108/420 + 196/420 = 108 + 196/420 = 304/420
  5. 304/420 simplified gives 76/105
  6. So, 18/70 + 28/60 = 76/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com