Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/56 from 18/80

1st number: 18/80, 2nd number: 1 14/56

18/80 - 70/56 is -41/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 56 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 80 × 7 = 560,
    18/80 = 18 × 7/80 × 7 = 126/560
  3. Likewise, for the 2nd fraction, since 56 × 10 = 560,
    70/56 = 70 × 10/56 × 10 = 700/560
  4. Subtract the two like fractions:
    126/560 - 700/560 = 126 - 700/560 = -574/560
  5. After reducing the fraction, the answer is -41/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com