Subtract 63/4 from 18/36
1st number: 18/36, 2nd number: 15 3/4
18/36 - 63/4 is -61/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
18/36 = 18 × 1/36 × 1 = 18/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
63/4 = 63 × 9/4 × 9 = 567/36 - Subtract the two like fractions:
18/36 - 567/36 = 18 - 567/36 = -549/36 - After reducing the fraction, the answer is -61/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/72-63/4 18/36-63/8 54/36-63/4 18/36-63/12 90/36-63/4 18/36-63/20 18/36-63/28