Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 4/9 from 2/7

2/7 - 4/9 is -10/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 9 is 63

    Next, find the equivalent fraction of both fractional numbers with denominator 63
  2. For the 1st fraction, since 7 × 9 = 63,
    2/7 = 2 × 9/7 × 9 = 18/63
  3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
    4/9 = 4 × 7/9 × 7 = 28/63
  4. Subtract the two like fractions:
    18/63 - 28/63 = 18 - 28/63 = -10/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com