Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 84/70 from 32/90

1st number: 32/90, 2nd number: 1 14/70

32/90 - 84/70 is -38/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 70 is 630
  2. For the 1st fraction, since 90 × 7 = 630,
    32/90 = 32 × 7/90 × 7 = 224/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    84/70 = 84 × 9/70 × 9 = 756/630
  4. Subtract the two fractions:
    224/630 - 756/630 = 224 - 756/630 = -532/630
  5. After reducing the fraction, the answer is -38/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com