Subtract 36/45 from 1/12
1/12 - 36/45 is -43/60.
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,
1/12 = 1 × 15/12 × 15 = 15/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
36/45 = 36 × 4/45 × 4 = 144/180 - Subtract the two like fractions:
15/180 - 144/180 = 15 - 144/180 = -129/180 - After reducing the fraction, the answer is -43/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/12-36/45 1/12-72/45 1/24-36/45 1/12-36/90 3/12-36/45 1/36-36/45 5/12-36/45 1/60-36/45 7/12-36/45 1/84-36/45