Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 30/10 from 12/8

1st number: 1 4/8, 2nd number: 3 0/10

12/8 - 30/10 is -3/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 10 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 8 × 5 = 40,
    12/8 = 12 × 5/8 × 5 = 60/40
  3. Likewise, for the 2nd fraction, since 10 × 4 = 40,
    30/10 = 30 × 4/10 × 4 = 120/40
  4. Subtract the two like fractions:
    60/40 - 120/40 = 60 - 120/40 = -60/40
  5. After reducing the fraction, the answer is -3/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com