Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 1/15 and 1/42

1/15 + 1/42 is 19/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 42 is 210
  2. For the 1st fraction, since 15 × 14 = 210,
    1/15 = 1 × 14/15 × 14 = 14/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    1/42 = 1 × 5/42 × 5 = 5/210
  4. Add the two fractions:
    14/210 + 5/210 = 14 + 5/210 = 19/210

MathStep (Works offline)

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

Related:

© everydaycalculation.com