Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 10/27 from 42/15

1st number: 2 12/15, 2nd number: 10/27

42/15 - 10/27 is 328/135.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 27 is 135

    Next, find the equivalent fraction of both fractional numbers with denominator 135
  2. For the 1st fraction, since 15 × 9 = 135,
    42/15 = 42 × 9/15 × 9 = 378/135
  3. Likewise, for the 2nd fraction, since 27 × 5 = 135,
    10/27 = 10 × 5/27 × 5 = 50/135
  4. Subtract the two like fractions:
    378/135 - 50/135 = 378 - 50/135 = 328/135
  5. In mixed form: 258/135

MathStep (Works offline)

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

Related:

© everydaycalculation.com