Subtract 10/45 from 4/36
4/36 - 10/45 is -1/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 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 45 × 4 = 180,
10/45 = 10 × 4/45 × 4 = 40/180 - Subtract the two like fractions:
20/180 - 40/180 = 20 - 40/180 = -20/180 - After reducing the fraction, the answer is -1/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/36-10/45 4/36-20/45 4/72-10/45 4/36-10/90 12/36-10/45 4/36-30/45 20/36-10/45 4/36-50/45 28/36-10/45 4/36-70/45