Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/7 from 45/2

1st number: 22 1/2, 2nd number: 10 0/7

45/2 - 70/7 is 25/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 7 is 14
  2. For the 1st fraction, since 2 × 7 = 14,
    45/2 = 45 × 7/2 × 7 = 315/14
  3. Likewise, for the 2nd fraction, since 7 × 2 = 14,
    70/7 = 70 × 2/7 × 2 = 140/14
  4. Subtract the two fractions:
    315/14 - 140/14 = 315 - 140/14 = 175/14
  5. After reducing the fraction, the answer is 25/2
  6. In mixed form: 121/2

MathStep (Works offline)

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

Related:

© everydaycalculation.com