Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 80/56 from 30/70

1st number: 30/70, 2nd number: 1 24/56

30/70 - 80/56 is -1/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 70 × 4 = 280,
    30/70 = 30 × 4/70 × 4 = 120/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    80/56 = 80 × 5/56 × 5 = 400/280
  4. Subtract the two like fractions:
    120/280 - 400/280 = 120 - 400/280 = -280/280
  5. After reducing the fraction, the answer is -1/1

MathStep (Works offline)

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

Related:

© everydaycalculation.com