Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 45/32 from 4/42

1st number: 4/42, 2nd number: 1 13/32

4/42 - 45/32 is -881/672.

Steps for subtracting 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,
    4/42 = 4 × 16/42 × 16 = 64/672
  3. Likewise, for the 2nd fraction, since 32 × 21 = 672,
    45/32 = 45 × 21/32 × 21 = 945/672
  4. Subtract the two like fractions:
    64/672 - 945/672 = 64 - 945/672 = -881/672

MathStep (Works offline)

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

Related:

© everydaycalculation.com