Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 30/10 from 70/49

1st number: 1 21/49, 2nd number: 3 0/10

70/49 - 30/10 is -11/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 10 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 49 × 10 = 490,
    70/49 = 70 × 10/49 × 10 = 700/490
  3. Likewise, for the 2nd fraction, since 10 × 49 = 490,
    30/10 = 30 × 49/10 × 49 = 1470/490
  4. Subtract the two like fractions:
    700/490 - 1470/490 = 700 - 1470/490 = -770/490
  5. After reducing the fraction, the answer is -11/7

MathStep (Works offline)

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

Related:

© everydaycalculation.com