Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/15 and 21/32

1st number: 3 0/15, 2nd number: 21/32

45/15 + 21/32 is 117/32.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 32 is 480

    Next, find the equivalent fraction of both fractional numbers with denominator 480
  2. For the 1st fraction, since 15 × 32 = 480,
    45/15 = 45 × 32/15 × 32 = 1440/480
  3. Likewise, for the 2nd fraction, since 32 × 15 = 480,
    21/32 = 21 × 15/32 × 15 = 315/480
  4. Add the two like fractions:
    1440/480 + 315/480 = 1440 + 315/480 = 1755/480
  5. 1755/480 simplified gives 117/32
  6. So, 45/15 + 21/32 = 117/32
    In mixed form: 321/32

MathStep (Works offline)

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

Related:

© everydaycalculation.com