Subtract 12/9 from 45/96
1st number: 45/96, 2nd number: 1 3/9
45/96 - 12/9 is -83/96.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 9 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 96 × 3 = 288,
45/96 = 45 × 3/96 × 3 = 135/288 - Likewise, for the 2nd fraction, since 9 × 32 = 288,
12/9 = 12 × 32/9 × 32 = 384/288 - Subtract the two like fractions:
135/288 - 384/288 = 135 - 384/288 = -249/288 - After reducing the fraction, the answer is -83/96
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/96-12/9 45/96-24/9 45/96-12/18 45/96-36/9 45/96-12/27 45/96-60/9 45/96-12/45 45/96-84/9 45/96-12/63