Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 18/72 from 3/2

1st number: 1 1/2, 2nd number: 18/72

3/2 - 18/72 is 5/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 72 is 72
  2. For the 1st fraction, since 2 × 36 = 72,
    3/2 = 3 × 36/2 × 36 = 108/72
  3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
    18/72 = 18 × 1/72 × 1 = 18/72
  4. Subtract the two fractions:
    108/72 - 18/72 = 108 - 18/72 = 90/72
  5. After reducing the fraction, the answer is 5/4
  6. In mixed form: 11/4

Related:

Use fraction calculator with our all-in-one calculator app: Download for Android, Download for iOS

© everydaycalculation.com