Subtract 15/10 from 3/27
1st number: 3/27, 2nd number: 1 5/10
3/27 - 15/10 is -25/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
3/27 = 3 × 10/27 × 10 = 30/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
15/10 = 15 × 27/10 × 27 = 405/270 - Subtract the two like fractions:
30/270 - 405/270 = 30 - 405/270 = -375/270 - After reducing the fraction, the answer is -25/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/27-15/10 3/27-30/10 3/54-15/10 3/27-15/20 9/27-15/10 3/27-45/10 3/81-15/10 3/27-15/30 15/27-15/10 3/27-75/10 3/27-15/50 21/27-15/10 3/27-15/70