Subtract 30/90 from 2/36
2/36 - 30/90 is -5/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
2/36 = 2 × 5/36 × 5 = 10/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
30/90 = 30 × 2/90 × 2 = 60/180 - Subtract the two like fractions:
10/180 - 60/180 = 10 - 60/180 = -50/180 - After reducing the fraction, the answer is -5/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/36-30/90 2/36-60/90 2/72-30/90 6/36-30/90 10/36-30/90 14/36-30/90