Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 1/70 and 9/20

1/70 + 9/20 is 13/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 20 is 140
  2. For the 1st fraction, since 70 × 2 = 140,
    1/70 = 1 × 2/70 × 2 = 2/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    9/20 = 9 × 7/20 × 7 = 63/140
  4. Add the two fractions:
    2/140 + 63/140 = 2 + 63/140 = 65/140
  5. After reducing the fraction, the answer is 13/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com