Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 45/20 from 5/16

1st number: 5/16, 2nd number: 2 5/20

5/16 - 45/20 is -31/16.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 20 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 16 × 5 = 80,
    5/16 = 5 × 5/16 × 5 = 25/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    45/20 = 45 × 4/20 × 4 = 180/80
  4. Subtract the two like fractions:
    25/80 - 180/80 = 25 - 180/80 = -155/80
  5. After reducing the fraction, the answer is -31/16

MathStep (Works offline)

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

Related:

© everydaycalculation.com