Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 28/8 and 45/15

1st number: 3 4/8, 2nd number: 3 0/15

28/8 + 45/15 is 13/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 15 is 120
  2. For the 1st fraction, since 8 × 15 = 120,
    28/8 = 28 × 15/8 × 15 = 420/120
  3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
    45/15 = 45 × 8/15 × 8 = 360/120
  4. Add the two fractions:
    420/120 + 360/120 = 420 + 360/120 = 780/120
  5. After reducing the fraction, the answer is 13/2
  6. In mixed form: 61/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com