Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 10/70 from 21/50

21/50 - 10/70 is 97/350.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 70 is 350

    Next, find the equivalent fraction of both fractional numbers with denominator 350
  2. For the 1st fraction, since 50 × 7 = 350,
    21/50 = 21 × 7/50 × 7 = 147/350
  3. Likewise, for the 2nd fraction, since 70 × 5 = 350,
    10/70 = 10 × 5/70 × 5 = 50/350
  4. Subtract the two like fractions:
    147/350 - 50/350 = 147 - 50/350 = 97/350

MathStep (Works offline)

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

Related:

© everydaycalculation.com