Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 30/45 from 20/2

1st number: 10 0/2, 2nd number: 30/45

20/2 - 30/45 is 28/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 45 is 90
  2. For the 1st fraction, since 2 × 45 = 90,
    20/2 = 20 × 45/2 × 45 = 900/90
  3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
    30/45 = 30 × 2/45 × 2 = 60/90
  4. Subtract the two fractions:
    900/90 - 60/90 = 900 - 60/90 = 840/90
  5. After reducing the fraction, the answer is 28/3
  6. In mixed form: 91/3

MathStep (Works offline)

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

Related:

© everydaycalculation.com