Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 18/56 and 12/70

18/56 + 12/70 is 69/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    18/56 = 18 × 5/56 × 5 = 90/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    12/70 = 12 × 4/70 × 4 = 48/280
  4. Add the two like fractions:
    90/280 + 48/280 = 90 + 48/280 = 138/280
  5. 138/280 simplified gives 69/140
  6. So, 18/56 + 12/70 = 69/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com