Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 40/27 from 45/60

1st number: 45/60, 2nd number: 1 13/27

45/60 - 40/27 is -79/108.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 27 is 540
  2. For the 1st fraction, since 60 × 9 = 540,
    45/60 = 45 × 9/60 × 9 = 405/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    40/27 = 40 × 20/27 × 20 = 800/540
  4. Subtract the two fractions:
    405/540 - 800/540 = 405 - 800/540 = -395/540
  5. After reducing the fraction, the answer is -79/108

MathStep (Works offline)

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

Related:

© everydaycalculation.com