Subtract 3/27 from 10/40
10/40 - 3/27 is 5/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 40 × 27 = 1080,
10/40 = 10 × 27/40 × 27 = 270/1080 - Likewise, for the 2nd fraction, since 27 × 40 = 1080,
3/27 = 3 × 40/27 × 40 = 120/1080 - Subtract the two like fractions:
270/1080 - 120/1080 = 270 - 120/1080 = 150/1080 - After reducing the fraction, the answer is 5/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40-3/27 10/40-6/27 10/80-3/27 10/40-3/54 30/40-3/27 10/40-9/27 10/40-3/81 50/40-3/27 10/40-15/27 70/40-3/27 10/40-21/27