Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 80/7 from 50/72

1st number: 50/72, 2nd number: 11 3/7

50/72 - 80/7 is -2705/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 7 is 504
  2. For the 1st fraction, since 72 × 7 = 504,
    50/72 = 50 × 7/72 × 7 = 350/504
  3. Likewise, for the 2nd fraction, since 7 × 72 = 504,
    80/7 = 80 × 72/7 × 72 = 5760/504
  4. Subtract the two fractions:
    350/504 - 5760/504 = 350 - 5760/504 = -5410/504
  5. After reducing the fraction, the answer is -2705/252

MathStep (Works offline)

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

Related:

© everydaycalculation.com