Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 90/6 from 42/8

1st number: 5 2/8, 2nd number: 15 0/6

42/8 - 90/6 is -39/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 6 is 24

    Next, find the equivalent fraction of both fractional numbers with denominator 24
  2. For the 1st fraction, since 8 × 3 = 24,
    42/8 = 42 × 3/8 × 3 = 126/24
  3. Likewise, for the 2nd fraction, since 6 × 4 = 24,
    90/6 = 90 × 4/6 × 4 = 360/24
  4. Subtract the two like fractions:
    126/24 - 360/24 = 126 - 360/24 = -234/24
  5. After reducing the fraction, the answer is -39/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com