Subtract 18/10 from 63/4
1st number: 15 3/4, 2nd number: 1 8/10
63/4 - 18/10 is 279/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
63/4 = 63 × 5/4 × 5 = 315/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
18/10 = 18 × 2/10 × 2 = 36/20 - Subtract the two like fractions:
315/20 - 36/20 = 315 - 36/20 = 279/20 - In mixed form: 1319/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/4-36/10 63/8-18/10 63/4-18/20 63/4-54/10 63/12-18/10 63/4-18/30 63/4-90/10 63/20-18/10 63/4-18/50 63/28-18/10 63/4-18/70