Subtract 7/28 from 63/4
1st number: 15 3/4, 2nd number: 7/28
63/4 - 7/28 is 31/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 28 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 28 × 1 = 28,
7/28 = 7 × 1/28 × 1 = 7/28 - Subtract the two like fractions:
441/28 - 7/28 = 441 - 7/28 = 434/28 - After reducing the fraction, the answer is 31/2
- In mixed form: 151/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4-14/28 63/8-7/28 63/4-7/56 63/4-21/28 63/12-7/28 63/4-7/84 63/4-35/28 63/20-7/28 63/4-49/28 63/28-7/28