Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 90/16 and 5/81

1st number: 5 10/16, 2nd number: 5/81

90/16 + 5/81 is 3685/648.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 81 is 1296
  2. For the 1st fraction, since 16 × 81 = 1296,
    90/16 = 90 × 81/16 × 81 = 7290/1296
  3. Likewise, for the 2nd fraction, since 81 × 16 = 1296,
    5/81 = 5 × 16/81 × 16 = 80/1296
  4. Add the two fractions:
    7290/1296 + 80/1296 = 7290 + 80/1296 = 7370/1296
  5. After reducing the fraction, the answer is 3685/648
  6. In mixed form: 5445/648

MathStep (Works offline)

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

Related:

© everydaycalculation.com