Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 9/70 from 20/4

1st number: 5 0/4, 2nd number: 9/70

20/4 - 9/70 is 341/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 70 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 4 × 35 = 140,
    20/4 = 20 × 35/4 × 35 = 700/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    9/70 = 9 × 2/70 × 2 = 18/140
  4. Subtract the two like fractions:
    700/140 - 18/140 = 700 - 18/140 = 682/140
  5. After reducing the fraction, the answer is 341/70
  6. In mixed form: 461/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com