Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 56/40 from 42/32

1st number: 1 10/32, 2nd number: 1 16/40

42/32 - 56/40 is -7/80.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 32 and 40 is 160

    Next, find the equivalent fraction of both fractional numbers with denominator 160
  2. For the 1st fraction, since 32 × 5 = 160,
    42/32 = 42 × 5/32 × 5 = 210/160
  3. Likewise, for the 2nd fraction, since 40 × 4 = 160,
    56/40 = 56 × 4/40 × 4 = 224/160
  4. Subtract the two like fractions:
    210/160 - 224/160 = 210 - 224/160 = -14/160
  5. After reducing the fraction, the answer is -7/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com