Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 45/20 from 3/4

1st number: 3/4, 2nd number: 2 5/20

3/4 - 45/20 is -3/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 20 is 20
  2. For the 1st fraction, since 4 × 5 = 20,
    3/4 = 3 × 5/4 × 5 = 15/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    45/20 = 45 × 1/20 × 1 = 45/20
  4. Subtract the two fractions:
    15/20 - 45/20 = 15 - 45/20 = -30/20
  5. After reducing the fraction, the answer is -3/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com