Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/70 from 54/24

1st number: 2 6/24, 2nd number: 21/70

54/24 - 21/70 is 39/20.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 24 × 35 = 840,
    54/24 = 54 × 35/24 × 35 = 1890/840
  3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
    21/70 = 21 × 12/70 × 12 = 252/840
  4. Subtract the two like fractions:
    1890/840 - 252/840 = 1890 - 252/840 = 1638/840
  5. After reducing the fraction, the answer is 39/20
  6. In mixed form: 119/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com