Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 70/45 and 15/18

1st number: 1 25/45, 2nd number: 15/18

70/45 + 15/18 is 43/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 18 is 90
  2. For the 1st fraction, since 45 × 2 = 90,
    70/45 = 70 × 2/45 × 2 = 140/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    15/18 = 15 × 5/18 × 5 = 75/90
  4. Add the two fractions:
    140/90 + 75/90 = 140 + 75/90 = 215/90
  5. After reducing the fraction, the answer is 43/18
  6. In mixed form: 27/18

MathStep (Works offline)

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

Related:

© everydaycalculation.com