Subtract 81/14 from 63/4
1st number: 15 3/4, 2nd number: 5 11/14
63/4 - 81/14 is 279/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 4 × 7 = 28,
63/4 = 63 × 7/4 × 7 = 441/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
81/14 = 81 × 2/14 × 2 = 162/28 - Subtract the two like fractions:
441/28 - 162/28 = 441 - 162/28 = 279/28 - In mixed form: 927/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/8-81/14 63/4-81/28 63/12-81/14 63/4-81/42 63/20-81/14 63/4-81/70 63/28-81/14 63/4-81/98