Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 7/63 from 90/15

1st number: 6 0/15, 2nd number: 7/63

90/15 - 7/63 is 53/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 63 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 15 × 21 = 315,
    90/15 = 90 × 21/15 × 21 = 1890/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    7/63 = 7 × 5/63 × 5 = 35/315
  4. Subtract the two like fractions:
    1890/315 - 35/315 = 1890 - 35/315 = 1855/315
  5. After reducing the fraction, the answer is 53/9
  6. In mixed form: 58/9

MathStep (Works offline)

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

Related:

© everydaycalculation.com