Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 21/70 and 60/8

1st number: 21/70, 2nd number: 7 4/8

21/70 + 60/8 is 39/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 8 is 280
  2. For the 1st fraction, since 70 × 4 = 280,
    21/70 = 21 × 4/70 × 4 = 84/280
  3. Likewise, for the 2nd fraction, since 8 × 35 = 280,
    60/8 = 60 × 35/8 × 35 = 2100/280
  4. Add the two fractions:
    84/280 + 2100/280 = 84 + 2100/280 = 2184/280
  5. After reducing the fraction, the answer is 39/5
  6. In mixed form: 74/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com