Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 2/3 and 42/70

2/3 + 42/70 is 19/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 70 is 210
  2. For the 1st fraction, since 3 × 70 = 210,
    2/3 = 2 × 70/3 × 70 = 140/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    42/70 = 42 × 3/70 × 3 = 126/210
  4. Add the two fractions:
    140/210 + 126/210 = 140 + 126/210 = 266/210
  5. 266/210 simplified gives 19/15
  6. So, 2/3 + 42/70 = 19/15
    In mixed form: 14/15

MathStep (Works offline)

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

Related:

© everydaycalculation.com