Subtract 18/40 from 16/27
16/27 - 18/40 is 77/540.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 40 is 1080
Next, find the equivalent fraction of both fractional numbers with denominator 1080 - For the 1st fraction, since 27 × 40 = 1080,
16/27 = 16 × 40/27 × 40 = 640/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
18/40 = 18 × 27/40 × 27 = 486/1080 - Subtract the two like fractions:
640/1080 - 486/1080 = 640 - 486/1080 = 154/1080 - After reducing the fraction, the answer is 77/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/27-18/40 16/27-36/40 16/54-18/40 16/27-18/80 48/27-18/40 16/27-54/40 16/81-18/40 80/27-18/40 16/27-90/40