Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 90/70 from 27/24

1st number: 1 3/24, 2nd number: 1 20/70

27/24 - 90/70 is -9/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 70 is 840
  2. For the 1st fraction, since 24 × 35 = 840,
    27/24 = 27 × 35/24 × 35 = 945/840
  3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
    90/70 = 90 × 12/70 × 12 = 1080/840
  4. Subtract the two fractions:
    945/840 - 1080/840 = 945 - 1080/840 = -135/840
  5. After reducing the fraction, the answer is -9/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com