Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 84/24 from 40/70

1st number: 40/70, 2nd number: 3 12/24

40/70 - 84/24 is -41/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 24 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 70 × 12 = 840,
    40/70 = 40 × 12/70 × 12 = 480/840
  3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
    84/24 = 84 × 35/24 × 35 = 2940/840
  4. Subtract the two like fractions:
    480/840 - 2940/840 = 480 - 2940/840 = -2460/840
  5. After reducing the fraction, the answer is -41/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com