Subtract 18/28 from 63/2
1st number: 31 1/2, 2nd number: 18/28
63/2 - 18/28 is 216/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 2 × 14 = 28,
63/2 = 63 × 14/2 × 14 = 882/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
18/28 = 18 × 1/28 × 1 = 18/28 - Subtract the two like fractions:
882/28 - 18/28 = 882 - 18/28 = 864/28 - After reducing the fraction, the answer is 216/7
- In mixed form: 306/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/2-36/28 63/4-18/28 63/2-18/56 63/2-54/28 63/6-18/28 63/2-18/84 63/2-90/28 63/10-18/28 63/14-18/28