Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/90 and 63/4

1st number: 42/90, 2nd number: 15 3/4

42/90 + 63/4 is 973/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 4 is 180
  2. For the 1st fraction, since 90 × 2 = 180,
    42/90 = 42 × 2/90 × 2 = 84/180
  3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
    63/4 = 63 × 45/4 × 45 = 2835/180
  4. Add the two fractions:
    84/180 + 2835/180 = 84 + 2835/180 = 2919/180
  5. 2919/180 simplified gives 973/60
  6. So, 42/90 + 63/4 = 973/60
    In mixed form: 1613/60

MathStep (Works offline)

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

Related:

© everydaycalculation.com