Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 45/40 from 30/36

1st number: 30/36, 2nd number: 1 5/40

30/36 - 45/40 is -7/24.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 36 × 10 = 360,
    30/36 = 30 × 10/36 × 10 = 300/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    45/40 = 45 × 9/40 × 9 = 405/360
  4. Subtract the two like fractions:
    300/360 - 405/360 = 300 - 405/360 = -105/360
  5. After reducing the fraction, the answer is -7/24

MathStep (Works offline)

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

Related:

© everydaycalculation.com