Subtract 45/12 from 63/36
1st number: 1 27/36, 2nd number: 3 9/12
63/36 - 45/12 is -2/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
63/36 = 63 × 1/36 × 1 = 63/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
45/12 = 45 × 3/12 × 3 = 135/36 - Subtract the two like fractions:
63/36 - 135/36 = 63 - 135/36 = -72/36 - After reducing the fraction, the answer is -2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/36-90/12 63/72-45/12 63/36-45/24 63/36-45/36 63/36-45/60 63/36-45/84