Subtract 36/15 from 15/30
1st number: 15/30, 2nd number: 2 6/15
15/30 - 36/15 is -19/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
15/30 = 15 × 1/30 × 1 = 15/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
36/15 = 36 × 2/15 × 2 = 72/30 - Subtract the two like fractions:
15/30 - 72/30 = 15 - 72/30 = -57/30 - After reducing the fraction, the answer is -19/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30-72/15 15/60-36/15 15/30-36/30 45/30-36/15 15/90-36/15 15/30-36/45 75/30-36/15 15/30-36/75