Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/4 and 15/90

1st number: 15 3/4, 2nd number: 15/90

63/4 + 15/90 is 191/12.

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,
    63/4 = 63 × 45/4 × 45 = 2835/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    15/90 = 15 × 2/90 × 2 = 30/180
  4. Add the two like fractions:
    2835/180 + 30/180 = 2835 + 30/180 = 2865/180
  5. 2865/180 simplified gives 191/12
  6. So, 63/4 + 15/90 = 191/12
    In mixed form: 1511/12

MathStep (Works offline)

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

Related:

© everydaycalculation.com