Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 45/35 from 63/20

1st number: 3 3/20, 2nd number: 1 10/35

63/20 - 45/35 is 261/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 35 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    63/20 = 63 × 7/20 × 7 = 441/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    45/35 = 45 × 4/35 × 4 = 180/140
  4. Subtract the two like fractions:
    441/140 - 180/140 = 441 - 180/140 = 261/140
  5. In mixed form: 1121/140

MathStep (Works offline)

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

Related:

© everydaycalculation.com