Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 30/21 from 84/35

1st number: 2 14/35, 2nd number: 1 9/21

84/35 - 30/21 is 34/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 21 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 35 × 3 = 105,
    84/35 = 84 × 3/35 × 3 = 252/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    30/21 = 30 × 5/21 × 5 = 150/105
  4. Subtract the two like fractions:
    252/105 - 150/105 = 252 - 150/105 = 102/105
  5. After reducing the fraction, the answer is 34/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com