Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 8/45 from 84/40

1st number: 2 4/40, 2nd number: 8/45

84/40 - 8/45 is 173/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 45 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 40 × 9 = 360,
    84/40 = 84 × 9/40 × 9 = 756/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    8/45 = 8 × 8/45 × 8 = 64/360
  4. Subtract the two like fractions:
    756/360 - 64/360 = 756 - 64/360 = 692/360
  5. After reducing the fraction, the answer is 173/90
  6. In mixed form: 183/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com