Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 63/80 from 98/84

1st number: 1 14/84, 2nd number: 63/80

98/84 - 63/80 is 91/240.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 80 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 84 × 20 = 1680,
    98/84 = 98 × 20/84 × 20 = 1960/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    63/80 = 63 × 21/80 × 21 = 1323/1680
  4. Subtract the two like fractions:
    1960/1680 - 1323/1680 = 1960 - 1323/1680 = 637/1680
  5. After reducing the fraction, the answer is 91/240

MathStep (Works offline)

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

Related:

© everydaycalculation.com