Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 84/20 from 75/50

1st number: 1 25/50, 2nd number: 4 4/20

75/50 - 84/20 is -27/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 20 is 100

    Next, find the equivalent fraction of both fractional numbers with denominator 100
  2. For the 1st fraction, since 50 × 2 = 100,
    75/50 = 75 × 2/50 × 2 = 150/100
  3. Likewise, for the 2nd fraction, since 20 × 5 = 100,
    84/20 = 84 × 5/20 × 5 = 420/100
  4. Subtract the two like fractions:
    150/100 - 420/100 = 150 - 420/100 = -270/100
  5. After reducing the fraction, the answer is -27/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com