Subtract 63/18 from 24/12
1st number: 2 0/12, 2nd number: 3 9/18
24/12 - 63/18 is -3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
24/12 = 24 × 3/12 × 3 = 72/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
63/18 = 63 × 2/18 × 2 = 126/36 - Subtract the two like fractions:
72/36 - 126/36 = 72 - 126/36 = -54/36 - After reducing the fraction, the answer is -3/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/12-63/18 24/12-63/36 72/12-63/18 24/36-63/18 24/12-63/54 24/60-63/18 24/12-63/90 24/84-63/18