Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/42 and 8/70

40/42 + 8/70 is 16/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    40/42 = 40 × 5/42 × 5 = 200/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    8/70 = 8 × 3/70 × 3 = 24/210
  4. Add the two like fractions:
    200/210 + 24/210 = 200 + 24/210 = 224/210
  5. 224/210 simplified gives 16/15
  6. So, 40/42 + 8/70 = 16/15
    In mixed form: 11/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com