Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 7/45 from 90/40

1st number: 2 10/40, 2nd number: 7/45

90/40 - 7/45 is 377/180.

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,
    90/40 = 90 × 9/40 × 9 = 810/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    7/45 = 7 × 8/45 × 8 = 56/360
  4. Subtract the two like fractions:
    810/360 - 56/360 = 810 - 56/360 = 754/360
  5. After reducing the fraction, the answer is 377/180
  6. In mixed form: 217/180

MathStep (Works offline)

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

Related:

© everydaycalculation.com