Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/5 from 6/70

1st number: 6/70, 2nd number: 4 1/5

6/70 - 21/5 is -144/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 5 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 70 × 1 = 70,
    6/70 = 6 × 1/70 × 1 = 6/70
  3. Likewise, for the 2nd fraction, since 5 × 14 = 70,
    21/5 = 21 × 14/5 × 14 = 294/70
  4. Subtract the two like fractions:
    6/70 - 294/70 = 6 - 294/70 = -288/70
  5. After reducing the fraction, the answer is -144/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com