Subtract 30/36 from 2/10
2/10 - 30/36 is -19/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 10 × 18 = 180,
2/10 = 2 × 18/10 × 18 = 36/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
30/36 = 30 × 5/36 × 5 = 150/180 - Subtract the two like fractions:
36/180 - 150/180 = 36 - 150/180 = -114/180 - After reducing the fraction, the answer is -19/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/10-30/36 2/10-60/36 2/20-30/36 2/10-30/72 6/10-30/36 2/10-90/36 2/30-30/36 2/50-30/36 14/10-30/36 2/70-30/36