Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 21/30 and 2/35

21/30 + 2/35 is 53/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 35 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    21/30 = 21 × 7/30 × 7 = 147/210
  3. Likewise, for the 2nd fraction, since 35 × 6 = 210,
    2/35 = 2 × 6/35 × 6 = 12/210
  4. Add the two like fractions:
    147/210 + 12/210 = 147 + 12/210 = 159/210
  5. 159/210 simplified gives 53/70
  6. So, 21/30 + 2/35 = 53/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com