Subtract 15/10 from 10/27
1st number: 10/27, 2nd number: 1 5/10
10/27 - 15/10 is -61/54.
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,
10/27 = 10 × 10/27 × 10 = 100/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
15/10 = 15 × 27/10 × 27 = 405/270 - Subtract the two like fractions:
100/270 - 405/270 = 100 - 405/270 = -305/270 - After reducing the fraction, the answer is -61/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/27-15/10 10/27-30/10 10/54-15/10 10/27-15/20 30/27-15/10 10/27-45/10 10/81-15/10 10/27-15/30 50/27-15/10 10/27-75/10 10/27-15/50 70/27-15/10 10/27-15/70