Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/42 and 5/70

1/42 + 5/70 is 2/21.

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,
    1/42 = 1 × 5/42 × 5 = 5/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    5/70 = 5 × 3/70 × 3 = 15/210
  4. Add the two like fractions:
    5/210 + 15/210 = 5 + 15/210 = 20/210
  5. 20/210 simplified gives 2/21
  6. So, 1/42 + 5/70 = 2/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com