Subtract 2/30 from 15/36
15/36 - 2/30 is 7/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 30 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 30 × 6 = 180,
2/30 = 2 × 6/30 × 6 = 12/180 - Subtract the two like fractions:
75/180 - 12/180 = 75 - 12/180 = 63/180 - After reducing the fraction, the answer is 7/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/36-2/30 15/36-4/30 15/72-2/30 15/36-2/60 45/36-2/30 15/36-6/30 15/36-2/90 75/36-2/30 15/36-10/30 15/36-14/30