Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/45 from 30/7

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

30/7 - 70/45 is 172/63.

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,
    30/7 = 30 × 45/7 × 45 = 1350/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    70/45 = 70 × 7/45 × 7 = 490/315
  4. Subtract the two fractions:
    1350/315 - 490/315 = 1350 - 490/315 = 860/315
  5. After reducing the fraction, the answer is 172/63
  6. In mixed form: 246/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com