Subtract 5/9 from 3/40
3/40 - 5/9 is -173/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 9 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
3/40 = 3 × 9/40 × 9 = 27/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
5/9 = 5 × 40/9 × 40 = 200/360 - Subtract the two like fractions:
27/360 - 200/360 = 27 - 200/360 = -173/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40-5/9 3/40-10/9 3/80-5/9 3/40-5/18 9/40-5/9 3/40-15/9 3/40-5/27 15/40-5/9 3/40-25/9 3/40-5/45 21/40-5/9 3/40-35/9 3/40-5/63