Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 40/9 from 10/70

1st number: 10/70, 2nd number: 4 4/9

10/70 - 40/9 is -271/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 9 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    10/70 = 10 × 9/70 × 9 = 90/630
  3. Likewise, for the 2nd fraction, since 9 × 70 = 630,
    40/9 = 40 × 70/9 × 70 = 2800/630
  4. Subtract the two like fractions:
    90/630 - 2800/630 = 90 - 2800/630 = -2710/630
  5. After reducing the fraction, the answer is -271/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com