Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 21/35 and 4/70

21/35 + 4/70 is 23/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 70 is 70
  2. For the 1st fraction, since 35 × 2 = 70,
    21/35 = 21 × 2/35 × 2 = 42/70
  3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
    4/70 = 4 × 1/70 × 1 = 4/70
  4. Add the two fractions:
    42/70 + 4/70 = 42 + 4/70 = 46/70
  5. After reducing the fraction, the answer is 23/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com