Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 15/8 and 10/90

1st number: 1 7/8, 2nd number: 10/90

15/8 + 10/90 is 143/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360
  2. For the 1st fraction, since 8 × 45 = 360,
    15/8 = 15 × 45/8 × 45 = 675/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    10/90 = 10 × 4/90 × 4 = 40/360
  4. Add the two fractions:
    675/360 + 40/360 = 675 + 40/360 = 715/360
  5. After reducing the fraction, the answer is 143/72
  6. In mixed form: 171/72

MathStep (Works offline)

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

Related:

© everydaycalculation.com