Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 12/20 from 75/10

1st number: 7 5/10, 2nd number: 12/20

75/10 - 12/20 is 69/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 20 is 20

    Next, find the equivalent fraction of both fractional numbers with denominator 20
  2. For the 1st fraction, since 10 × 2 = 20,
    75/10 = 75 × 2/10 × 2 = 150/20
  3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
    12/20 = 12 × 1/20 × 1 = 12/20
  4. Subtract the two like fractions:
    150/20 - 12/20 = 150 - 12/20 = 138/20
  5. After reducing the fraction, the answer is 69/10
  6. In mixed form: 69/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com