Subtract 8/12 from 24/45
24/45 - 8/12 is -2/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
24/45 = 24 × 4/45 × 4 = 96/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
8/12 = 8 × 15/12 × 15 = 120/180 - Subtract the two like fractions:
96/180 - 120/180 = 96 - 120/180 = -24/180 - After reducing the fraction, the answer is -2/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/45-8/12 24/45-16/12 24/90-8/12 24/45-8/24 72/45-8/12 24/45-24/12 24/45-8/36 24/45-40/12 24/45-8/60 24/45-56/12 24/45-8/84