Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 63/70 from 4/15

4/15 - 63/70 is -19/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    4/15 = 4 × 14/15 × 14 = 56/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    63/70 = 63 × 3/70 × 3 = 189/210
  4. Subtract the two like fractions:
    56/210 - 189/210 = 56 - 189/210 = -133/210
  5. After reducing the fraction, the answer is -19/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com