Subtract 32/81 from 63/4
1st number: 15 3/4, 2nd number: 32/81
63/4 - 32/81 is 4975/324.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
63/4 = 63 × 81/4 × 81 = 5103/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
32/81 = 32 × 4/81 × 4 = 128/324 - Subtract the two like fractions:
5103/324 - 128/324 = 5103 - 128/324 = 4975/324 - In mixed form: 15115/324
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4-64/81 63/8-32/81 63/4-96/81 63/12-32/81 63/20-32/81 63/28-32/81