Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 16/45 from 21/32

21/32 - 16/45 is 433/1440.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 45 is 1440

    Next, find the equivalent fraction of both fractional numbers with denominator 1440
  2. For the 1st fraction, since 32 × 45 = 1440,
    21/32 = 21 × 45/32 × 45 = 945/1440
  3. Likewise, for the 2nd fraction, since 45 × 32 = 1440,
    16/45 = 16 × 32/45 × 32 = 512/1440
  4. Subtract the two like fractions:
    945/1440 - 512/1440 = 945 - 512/1440 = 433/1440

MathStep (Works offline)

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

Related:

© everydaycalculation.com