Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 2/7 from 9/30

9/30 - 2/7 is 1/70.

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,
    9/30 = 9 × 7/30 × 7 = 63/210
  3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
    2/7 = 2 × 30/7 × 30 = 60/210
  4. Subtract the two like fractions:
    63/210 - 60/210 = 63 - 60/210 = 3/210
  5. After reducing the fraction, the answer is 1/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com