Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 20/70 from 24/9

1st number: 2 6/9, 2nd number: 20/70

24/9 - 20/70 is 50/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 9 × 70 = 630,
    24/9 = 24 × 70/9 × 70 = 1680/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    20/70 = 20 × 9/70 × 9 = 180/630
  4. Subtract the two like fractions:
    1680/630 - 180/630 = 1680 - 180/630 = 1500/630
  5. After reducing the fraction, the answer is 50/21
  6. In mixed form: 28/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com