Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 45/90 from 90/35

1st number: 2 20/35, 2nd number: 45/90

90/35 - 45/90 is 29/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 35 × 18 = 630,
    90/35 = 90 × 18/35 × 18 = 1620/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    45/90 = 45 × 7/90 × 7 = 315/630
  4. Subtract the two like fractions:
    1620/630 - 315/630 = 1620 - 315/630 = 1305/630
  5. After reducing the fraction, the answer is 29/14
  6. In mixed form: 21/14

MathStep (Works offline)

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

Related:

© everydaycalculation.com