Subtract 30/36 from 2/30
2/30 - 30/36 is -23/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
2/30 = 2 × 6/30 × 6 = 12/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
30/36 = 30 × 5/36 × 5 = 150/180 - Subtract the two like fractions:
12/180 - 150/180 = 12 - 150/180 = -138/180 - After reducing the fraction, the answer is -23/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30-30/36 2/30-60/36 2/60-30/36 2/30-30/72 6/30-30/36 2/30-90/36 2/90-30/36 10/30-30/36 14/30-30/36