Subtract 63/3 from 18/10
1st number: 1 8/10, 2nd number: 21 0/3
18/10 - 63/3 is -96/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
18/10 = 18 × 3/10 × 3 = 54/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
63/3 = 63 × 10/3 × 10 = 630/30 - Subtract the two like fractions:
54/30 - 630/30 = 54 - 630/30 = -576/30 - After reducing the fraction, the answer is -96/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10-63/3 18/20-63/3 18/10-63/6 54/10-63/3 18/30-63/3 18/10-63/9 90/10-63/3 18/50-63/3 18/10-63/15 18/70-63/3 18/10-63/21