Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 75/45 from 5/84

1st number: 5/84, 2nd number: 1 30/45

5/84 - 75/45 is -45/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 45 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 84 × 15 = 1260,
    5/84 = 5 × 15/84 × 15 = 75/1260
  3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
    75/45 = 75 × 28/45 × 28 = 2100/1260
  4. Subtract the two like fractions:
    75/1260 - 2100/1260 = 75 - 2100/1260 = -2025/1260
  5. After reducing the fraction, the answer is -45/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com