Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 7/9 from 2/28

2/28 - 7/9 is -89/126.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 9 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 28 × 9 = 252,
    2/28 = 2 × 9/28 × 9 = 18/252
  3. Likewise, for the 2nd fraction, since 9 × 28 = 252,
    7/9 = 7 × 28/9 × 28 = 196/252
  4. Subtract the two like fractions:
    18/252 - 196/252 = 18 - 196/252 = -178/252
  5. After reducing the fraction, the answer is -89/126

MathStep (Works offline)

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

Related:

© everydaycalculation.com