Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 56/4 from 40/42

1st number: 40/42, 2nd number: 14 0/4

40/42 - 56/4 is -274/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 4 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 42 × 2 = 84,
    40/42 = 40 × 2/42 × 2 = 80/84
  3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
    56/4 = 56 × 21/4 × 21 = 1176/84
  4. Subtract the two like fractions:
    80/84 - 1176/84 = 80 - 1176/84 = -1096/84
  5. After reducing the fraction, the answer is -274/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com