Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 8/10 from 42/27

1st number: 1 15/27, 2nd number: 8/10

42/27 - 8/10 is 34/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 10 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 27 × 10 = 270,
    42/27 = 42 × 10/27 × 10 = 420/270
  3. Likewise, for the 2nd fraction, since 10 × 27 = 270,
    8/10 = 8 × 27/10 × 27 = 216/270
  4. Subtract the two like fractions:
    420/270 - 216/270 = 420 - 216/270 = 204/270
  5. After reducing the fraction, the answer is 34/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com