Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 75/10 from 20/70

1st number: 20/70, 2nd number: 7 5/10

20/70 - 75/10 is -101/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 10 is 70
  2. For the 1st fraction, since 70 × 1 = 70,
    20/70 = 20 × 1/70 × 1 = 20/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    75/10 = 75 × 7/10 × 7 = 525/70
  4. Subtract the two fractions:
    20/70 - 525/70 = 20 - 525/70 = -505/70
  5. After reducing the fraction, the answer is -101/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com