Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 3/20 from 30/25

1st number: 1 5/25, 2nd number: 3/20

30/25 - 3/20 is 21/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 20 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 25 × 4 = 100,
    30/25 = 30 × 4/25 × 4 = 120/100
  3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
    3/20 = 3 × 5/20 × 5 = 15/100
  4. Subtract the two like fractions:
    120/100 - 15/100 = 120 - 15/100 = 105/100
  5. After reducing the fraction, the answer is 21/20
  6. In mixed form: 11/20

MathStep (Works offline)

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

Related:

© everydaycalculation.com