Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 72/90 and 18/6

1st number: 72/90, 2nd number: 3 0/6

72/90 + 18/6 is 19/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 6 is 90
  2. For the 1st fraction, since 90 × 1 = 90,
    72/90 = 72 × 1/90 × 1 = 72/90
  3. Likewise, for the 2nd fraction, since 6 × 15 = 90,
    18/6 = 18 × 15/6 × 15 = 270/90
  4. Add the two fractions:
    72/90 + 270/90 = 72 + 270/90 = 342/90
  5. After reducing the fraction, the answer is 19/5
  6. In mixed form: 34/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com