Subtract 20/27 from 15/10
1st number: 1 5/10, 2nd number: 20/27
15/10 - 20/27 is 41/54.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 10 × 27 = 270,
15/10 = 15 × 27/10 × 27 = 405/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
20/27 = 20 × 10/27 × 10 = 200/270 - Subtract the two like fractions:
405/270 - 200/270 = 405 - 200/270 = 205/270 - After reducing the fraction, the answer is 41/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10-20/27 15/10-40/27 15/20-20/27 15/10-20/54 45/10-20/27 15/10-60/27 15/30-20/27 15/10-20/81 75/10-20/27 15/50-20/27 15/70-20/27