Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 5/7 from 2/45

2/45 - 5/7 is -211/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 7 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    2/45 = 2 × 7/45 × 7 = 14/315
  3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
    5/7 = 5 × 45/7 × 45 = 225/315
  4. Subtract the two like fractions:
    14/315 - 225/315 = 14 - 225/315 = -211/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com