Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/42 and 63/32

1st number: 15/42, 2nd number: 1 31/32

15/42 + 63/32 is 521/224.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 32 is 672

    Next, find the equivalent fraction of both fractional numbers with denominator 672
  2. For the 1st fraction, since 42 × 16 = 672,
    15/42 = 15 × 16/42 × 16 = 240/672
  3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
    63/32 = 63 × 21/32 × 21 = 1323/672
  4. Add the two like fractions:
    240/672 + 1323/672 = 240 + 1323/672 = 1563/672
  5. 1563/672 simplified gives 521/224
  6. So, 15/42 + 63/32 = 521/224
    In mixed form: 273/224

MathStep (Works offline)

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

Related:

© everydaycalculation.com