Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/7 and 12/30

1st number: 10 0/7, 2nd number: 12/30

70/7 + 12/30 is 52/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 7 × 30 = 210,
    70/7 = 70 × 30/7 × 30 = 2100/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    12/30 = 12 × 7/30 × 7 = 84/210
  4. Add the two like fractions:
    2100/210 + 84/210 = 2100 + 84/210 = 2184/210
  5. 2184/210 simplified gives 52/5
  6. So, 70/7 + 12/30 = 52/5
    In mixed form: 102/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com