Subtract 15/27 from 4/10
4/10 - 15/27 is -7/45.
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,
4/10 = 4 × 27/10 × 27 = 108/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
15/27 = 15 × 10/27 × 10 = 150/270 - Subtract the two like fractions:
108/270 - 150/270 = 108 - 150/270 = -42/270 - After reducing the fraction, the answer is -7/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10-15/27 4/10-30/27 4/20-15/27 4/10-15/54 12/10-15/27 4/10-45/27 4/30-15/27 4/10-15/81 20/10-15/27 4/10-75/27 4/50-15/27 28/10-15/27 4/70-15/27