Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 25/63 from 10/42

10/42 - 25/63 is -10/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 63 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 42 × 3 = 126,
    10/42 = 10 × 3/42 × 3 = 30/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    25/63 = 25 × 2/63 × 2 = 50/126
  4. Subtract the two like fractions:
    30/126 - 50/126 = 30 - 50/126 = -20/126
  5. After reducing the fraction, the answer is -10/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com