Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 27/7 from 63/30

1st number: 2 3/30, 2nd number: 3 6/7

63/30 - 27/7 is -123/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 7 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    63/30 = 63 × 7/30 × 7 = 441/210
  3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
    27/7 = 27 × 30/7 × 30 = 810/210
  4. Subtract the two like fractions:
    441/210 - 810/210 = 441 - 810/210 = -369/210
  5. After reducing the fraction, the answer is -123/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com