Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 56/7 from 30/10

1st number: 3 0/10, 2nd number: 8 0/7

30/10 - 56/7 is -5/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 7 is 70
  2. For the 1st fraction, since 10 × 7 = 70,
    30/10 = 30 × 7/10 × 7 = 210/70
  3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
    56/7 = 56 × 10/7 × 10 = 560/70
  4. Subtract the two fractions:
    210/70 - 560/70 = 210 - 560/70 = -350/70
  5. After reducing the fraction, the answer is -5/1

MathStep (Works offline)

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

Related:

© everydaycalculation.com