Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 9/98 from 45/40

1st number: 1 5/40, 2nd number: 9/98

45/40 - 9/98 is 405/392.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 98 is 1960

    Next, find the equivalent fraction of both fractional numbers with denominator 1960
  2. For the 1st fraction, since 40 × 49 = 1960,
    45/40 = 45 × 49/40 × 49 = 2205/1960
  3. Likewise, for the 2nd fraction, since 98 × 20 = 1960,
    9/98 = 9 × 20/98 × 20 = 180/1960
  4. Subtract the two like fractions:
    2205/1960 - 180/1960 = 2205 - 180/1960 = 2025/1960
  5. After reducing the fraction, the answer is 405/392
  6. In mixed form: 113/392

MathStep (Works offline)

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

Related:

© everydaycalculation.com