Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 70/15 and 45/56

1st number: 4 10/15, 2nd number: 45/56

70/15 + 45/56 is 919/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 56 is 840
  2. For the 1st fraction, since 15 × 56 = 840,
    70/15 = 70 × 56/15 × 56 = 3920/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    45/56 = 45 × 15/56 × 15 = 675/840
  4. Add the two fractions:
    3920/840 + 675/840 = 3920 + 675/840 = 4595/840
  5. After reducing the fraction, the answer is 919/168
  6. In mixed form: 579/168

MathStep (Works offline)

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

Related:

© everydaycalculation.com