Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/42 and 35/70

30/42 + 35/70 is 17/14.

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,
    30/42 = 30 × 5/42 × 5 = 150/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    35/70 = 35 × 3/70 × 3 = 105/210
  4. Add the two like fractions:
    150/210 + 105/210 = 150 + 105/210 = 255/210
  5. 255/210 simplified gives 17/14
  6. So, 30/42 + 35/70 = 17/14
    In mixed form: 13/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com