Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 25/42 and 4/20

25/42 + 4/20 is 167/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 20 is 420
  2. For the 1st fraction, since 42 × 10 = 420,
    25/42 = 25 × 10/42 × 10 = 250/420
  3. Likewise, for the 2nd fraction, since 20 × 21 = 420,
    4/20 = 4 × 21/20 × 21 = 84/420
  4. Add the two fractions:
    250/420 + 84/420 = 250 + 84/420 = 334/420
  5. After reducing the fraction, the answer is 167/210

MathStep (Works offline)

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

Related:

© everydaycalculation.com