Subtract 12/5 from 4/36
1st number: 4/36, 2nd number: 2 2/5
4/36 - 12/5 is -103/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 5 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
4/36 = 4 × 5/36 × 5 = 20/180 - Likewise, for the 2nd fraction, since 5 × 36 = 180,
12/5 = 12 × 36/5 × 36 = 432/180 - Subtract the two like fractions:
20/180 - 432/180 = 20 - 432/180 = -412/180 - After reducing the fraction, the answer is -103/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/36-12/5 4/36-24/5 4/72-12/5 4/36-12/10 12/36-12/5 4/36-36/5 4/36-12/15 20/36-12/5 4/36-60/5 4/36-12/25 28/36-12/5 4/36-84/5 4/36-12/35