Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 10/70 from 21/25

21/25 - 10/70 is 122/175.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 70 is 350

    Next, find the equivalent fraction of both fractional numbers with denominator 350
  2. For the 1st fraction, since 25 × 14 = 350,
    21/25 = 21 × 14/25 × 14 = 294/350
  3. Likewise, for the 2nd fraction, since 70 × 5 = 350,
    10/70 = 10 × 5/70 × 5 = 50/350
  4. Subtract the two like fractions:
    294/350 - 50/350 = 294 - 50/350 = 244/350
  5. After reducing the fraction, the answer is 122/175

MathStep (Works offline)

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

Related:

© everydaycalculation.com