Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 24/70 from 90/40

1st number: 2 10/40, 2nd number: 24/70

90/40 - 24/70 is 267/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 70 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    90/40 = 90 × 7/40 × 7 = 630/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    24/70 = 24 × 4/70 × 4 = 96/280
  4. Subtract the two like fractions:
    630/280 - 96/280 = 630 - 96/280 = 534/280
  5. After reducing the fraction, the answer is 267/140
  6. In mixed form: 1127/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com