Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 15/30 from 54/45

1st number: 1 9/45, 2nd number: 15/30

54/45 - 15/30 is 7/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 30 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    54/45 = 54 × 2/45 × 2 = 108/90
  3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
    15/30 = 15 × 3/30 × 3 = 45/90
  4. Subtract the two like fractions:
    108/90 - 45/90 = 108 - 45/90 = 63/90
  5. After reducing the fraction, the answer is 7/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com