Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 75/80 from 70/36

1st number: 1 34/36, 2nd number: 75/80

70/36 - 75/80 is 145/144.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 36 × 20 = 720,
    70/36 = 70 × 20/36 × 20 = 1400/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    75/80 = 75 × 9/80 × 9 = 675/720
  4. Subtract the two like fractions:
    1400/720 - 675/720 = 1400 - 675/720 = 725/720
  5. After reducing the fraction, the answer is 145/144
  6. In mixed form: 11/144

MathStep (Works offline)

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

Related:

© everydaycalculation.com