Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 10/7 from 3/45

1st number: 3/45, 2nd number: 1 3/7

3/45 - 10/7 is -143/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 7 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    3/45 = 3 × 7/45 × 7 = 21/315
  3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
    10/7 = 10 × 45/7 × 45 = 450/315
  4. Subtract the two like fractions:
    21/315 - 450/315 = 21 - 450/315 = -429/315
  5. After reducing the fraction, the answer is -143/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com