Subtract 1/40 from 5/9
5/9 - 1/40 is 191/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
5/9 = 5 × 40/9 × 40 = 200/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
1/40 = 1 × 9/40 × 9 = 9/360 - Subtract the two like fractions:
200/360 - 9/360 = 200 - 9/360 = 191/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/9-1/40 5/9-2/40 5/18-1/40 5/9-1/80 15/9-1/40 5/9-3/40 5/27-1/40 25/9-1/40 5/9-5/40 5/45-1/40 35/9-1/40 5/9-7/40 5/63-1/40