Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 10/84 from 90/4

1st number: 22 2/4, 2nd number: 10/84

90/4 - 10/84 is 470/21.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 84 is 84
  2. For the 1st fraction, since 4 × 21 = 84,
    90/4 = 90 × 21/4 × 21 = 1890/84
  3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
    10/84 = 10 × 1/84 × 1 = 10/84
  4. Subtract the two fractions:
    1890/84 - 10/84 = 1890 - 10/84 = 1880/84
  5. After reducing the fraction, the answer is 470/21
  6. In mixed form: 228/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com