Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 70/56 and 21/54

1st number: 1 14/56, 2nd number: 21/54

70/56 + 21/54 is 59/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 54 is 1512
  2. For the 1st fraction, since 56 × 27 = 1512,
    70/56 = 70 × 27/56 × 27 = 1890/1512
  3. Likewise, for the 2nd fraction, since 54 × 28 = 1512,
    21/54 = 21 × 28/54 × 28 = 588/1512
  4. Add the two fractions:
    1890/1512 + 588/1512 = 1890 + 588/1512 = 2478/1512
  5. After reducing the fraction, the answer is 59/36
  6. In mixed form: 123/36

MathStep (Works offline)

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

Related:

© everydaycalculation.com