Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 1/12 from 42/72

42/72 - 1/12 is 1/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 12 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 72 × 1 = 72,
    42/72 = 42 × 1/72 × 1 = 42/72
  3. Likewise, for the 2nd fraction, since 12 × 6 = 72,
    1/12 = 1 × 6/12 × 6 = 6/72
  4. Subtract the two like fractions:
    42/72 - 6/72 = 42 - 6/72 = 36/72
  5. After reducing the fraction, the answer is 1/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com