Subtract 49/40 from 4/27
1st number: 4/27, 2nd number: 1 9/40
4/27 - 49/40 is -1163/1080.
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,
4/27 = 4 × 40/27 × 40 = 160/1080 - Likewise, for the 2nd fraction, since 40 × 27 = 1080,
49/40 = 49 × 27/40 × 27 = 1323/1080 - Subtract the two like fractions:
160/1080 - 1323/1080 = 160 - 1323/1080 = -1163/1080
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/27-49/40 4/27-98/40 4/54-49/40 4/27-49/80 12/27-49/40 4/81-49/40 20/27-49/40 28/27-49/40