Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 21/27 from 84/10

1st number: 8 4/10, 2nd number: 21/27

84/10 - 21/27 is 343/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 27 is 270
  2. For the 1st fraction, since 10 × 27 = 270,
    84/10 = 84 × 27/10 × 27 = 2268/270
  3. Likewise, for the 2nd fraction, since 27 × 10 = 270,
    21/27 = 21 × 10/27 × 10 = 210/270
  4. Subtract the two fractions:
    2268/270 - 210/270 = 2268 - 210/270 = 2058/270
  5. After reducing the fraction, the answer is 343/45
  6. In mixed form: 728/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com