Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 9/40 from 90/60

1st number: 1 30/60, 2nd number: 9/40

90/60 - 9/40 is 51/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 40 is 120
  2. For the 1st fraction, since 60 × 2 = 120,
    90/60 = 90 × 2/60 × 2 = 180/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    9/40 = 9 × 3/40 × 3 = 27/120
  4. Subtract the two fractions:
    180/120 - 27/120 = 180 - 27/120 = 153/120
  5. After reducing the fraction, the answer is 51/40
  6. In mixed form: 111/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com