Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/14 and 90/28

1st number: 3 3/14, 2nd number: 3 6/28

45/14 + 90/28 is 45/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 28 is 28
  2. For the 1st fraction, since 14 × 2 = 28,
    45/14 = 45 × 2/14 × 2 = 90/28
  3. Likewise, for the 2nd fraction, since 28 × 1 = 28,
    90/28 = 90 × 1/28 × 1 = 90/28
  4. Add the two fractions:
    90/28 + 90/28 = 90 + 90/28 = 180/28
  5. 180/28 simplified gives 45/7
  6. So, 45/14 + 90/28 = 45/7
    In mixed form: 63/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com