Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 7/45 from 15/4

1st number: 3 3/4, 2nd number: 7/45

15/4 - 7/45 is 647/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 45 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    15/4 = 15 × 45/4 × 45 = 675/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    7/45 = 7 × 4/45 × 4 = 28/180
  4. Subtract the two like fractions:
    675/180 - 28/180 = 675 - 28/180 = 647/180
  5. In mixed form: 3107/180

MathStep (Works offline)

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

Related:

© everydaycalculation.com