Subtract 63/12 from 30/10
1st number: 3 0/10, 2nd number: 5 3/12
30/10 - 63/12 is -9/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
30/10 = 30 × 6/10 × 6 = 180/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
63/12 = 63 × 5/12 × 5 = 315/60 - Subtract the two like fractions:
180/60 - 315/60 = 180 - 315/60 = -135/60 - After reducing the fraction, the answer is -9/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10-63/12 30/20-63/12 30/10-63/24 90/10-63/12 30/10-63/36 30/50-63/12 30/10-63/60 30/70-63/12 30/10-63/84