Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 98/20 from 4/45

1st number: 4/45, 2nd number: 4 18/20

4/45 - 98/20 is -433/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    4/45 = 4 × 4/45 × 4 = 16/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    98/20 = 98 × 9/20 × 9 = 882/180
  4. Subtract the two like fractions:
    16/180 - 882/180 = 16 - 882/180 = -866/180
  5. After reducing the fraction, the answer is -433/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com