Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 6/4 from 20/70

1st number: 20/70, 2nd number: 1 2/4

20/70 - 6/4 is -17/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 4 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    20/70 = 20 × 2/70 × 2 = 40/140
  3. Likewise, for the 2nd fraction, since 4 × 35 = 140,
    6/4 = 6 × 35/4 × 35 = 210/140
  4. Subtract the two like fractions:
    40/140 - 210/140 = 40 - 210/140 = -170/140
  5. After reducing the fraction, the answer is -17/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com