Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/70 and 12/30

1/70 + 12/30 is 29/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    1/70 = 1 × 3/70 × 3 = 3/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    12/30 = 12 × 7/30 × 7 = 84/210
  4. Add the two like fractions:
    3/210 + 84/210 = 3 + 84/210 = 87/210
  5. 87/210 simplified gives 29/70
  6. So, 1/70 + 12/30 = 29/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com