Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 25/4 and 15/90

1st number: 6 1/4, 2nd number: 15/90

25/4 + 15/90 is 77/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    25/4 = 25 × 45/4 × 45 = 1125/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    15/90 = 15 × 2/90 × 2 = 30/180
  4. Add the two like fractions:
    1125/180 + 30/180 = 1125 + 30/180 = 1155/180
  5. 1155/180 simplified gives 77/12
  6. So, 25/4 + 15/90 = 77/12
    In mixed form: 65/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com