Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 20/15 and 2/90

1st number: 1 5/15, 2nd number: 2/90

20/15 + 2/90 is 61/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 90 is 90
  2. For the 1st fraction, since 15 × 6 = 90,
    20/15 = 20 × 6/15 × 6 = 120/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    2/90 = 2 × 1/90 × 1 = 2/90
  4. Add the two fractions:
    120/90 + 2/90 = 120 + 2/90 = 122/90
  5. 122/90 simplified gives 61/45
  6. So, 20/15 + 2/90 = 61/45
    In mixed form: 116/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com