Subtract 63/12 from 63/30
1st number: 2 3/30, 2nd number: 5 3/12
63/30 - 63/12 is -63/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
63/30 = 63 × 2/30 × 2 = 126/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
63/12 = 63 × 5/12 × 5 = 315/60 - Subtract the two like fractions:
126/60 - 315/60 = 126 - 315/60 = -189/60 - After reducing the fraction, the answer is -63/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/60-63/12 63/30-63/24 63/90-63/12 63/30-63/36 63/30-63/60 63/30-63/84