Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 15/56 from 72/30

1st number: 2 12/30, 2nd number: 15/56

72/30 - 15/56 is 597/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 30 × 28 = 840,
    72/30 = 72 × 28/30 × 28 = 2016/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    15/56 = 15 × 15/56 × 15 = 225/840
  4. Subtract the two like fractions:
    2016/840 - 225/840 = 2016 - 225/840 = 1791/840
  5. After reducing the fraction, the answer is 597/280
  6. In mixed form: 237/280

MathStep (Works offline)

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

Related:

© everydaycalculation.com