Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/64 from 30/2

1st number: 15 0/2, 2nd number: 21/64

30/2 - 21/64 is 939/64.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 64 is 64

    Next, find the equivalent fraction of both fractional numbers with denominator 64
  2. For the 1st fraction, since 2 × 32 = 64,
    30/2 = 30 × 32/2 × 32 = 960/64
  3. Likewise, for the 2nd fraction, since 64 × 1 = 64,
    21/64 = 21 × 1/64 × 1 = 21/64
  4. Subtract the two like fractions:
    960/64 - 21/64 = 960 - 21/64 = 939/64
  5. In mixed form: 1443/64

MathStep (Works offline)

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

Related:

© everydaycalculation.com