Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 42/63 from 15/8

1st number: 1 7/8, 2nd number: 42/63

15/8 - 42/63 is 29/24.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 63 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 8 × 63 = 504,
    15/8 = 15 × 63/8 × 63 = 945/504
  3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
    42/63 = 42 × 8/63 × 8 = 336/504
  4. Subtract the two like fractions:
    945/504 - 336/504 = 945 - 336/504 = 609/504
  5. After reducing the fraction, the answer is 29/24
  6. In mixed form: 15/24

MathStep (Works offline)

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

Related:

© everydaycalculation.com