Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 63/8 from 6/42

1st number: 6/42, 2nd number: 7 7/8

6/42 - 63/8 is -433/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 8 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 42 × 4 = 168,
    6/42 = 6 × 4/42 × 4 = 24/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    63/8 = 63 × 21/8 × 21 = 1323/168
  4. Subtract the two like fractions:
    24/168 - 1323/168 = 24 - 1323/168 = -1299/168
  5. After reducing the fraction, the answer is -433/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com