Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/45 from 18/7

1st number: 2 4/7, 2nd number: 1 25/45

18/7 - 70/45 is 64/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 45 is 315
  2. For the 1st fraction, since 7 × 45 = 315,
    18/7 = 18 × 45/7 × 45 = 810/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    70/45 = 70 × 7/45 × 7 = 490/315
  4. Subtract the two fractions:
    810/315 - 490/315 = 810 - 490/315 = 320/315
  5. After reducing the fraction, the answer is 64/63
  6. In mixed form: 11/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com