Subtract 2/45 from 15/36
15/36 - 2/45 is 67/180.
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,
15/36 = 15 × 5/36 × 5 = 75/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
2/45 = 2 × 4/45 × 4 = 8/180 - Subtract the two like fractions:
75/180 - 8/180 = 75 - 8/180 = 67/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/36-2/45 15/36-4/45 15/72-2/45 15/36-2/90 45/36-2/45 15/36-6/45 75/36-2/45 15/36-10/45 15/36-14/45