Subtract 15/45 from 5/12
5/12 - 15/45 is 1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
5/12 = 5 × 15/12 × 15 = 75/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
15/45 = 15 × 4/45 × 4 = 60/180 - Subtract the two like fractions:
75/180 - 60/180 = 75 - 60/180 = 15/180 - After reducing the fraction, the answer is 1/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/12-15/45 5/12-30/45 5/24-15/45 5/12-15/90 15/12-15/45 5/36-15/45 25/12-15/45 5/12-75/45 5/60-15/45 35/12-15/45 5/84-15/45