Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 24/72 from 15/7

1st number: 2 1/7, 2nd number: 24/72

15/7 - 24/72 is 38/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 7 × 72 = 504,
    15/7 = 15 × 72/7 × 72 = 1080/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    24/72 = 24 × 7/72 × 7 = 168/504
  4. Subtract the two like fractions:
    1080/504 - 168/504 = 1080 - 168/504 = 912/504
  5. After reducing the fraction, the answer is 38/21
  6. In mixed form: 117/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com