Subtract 5/9 from 7/40
7/40 - 5/9 is -137/360.
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,
7/40 = 7 × 9/40 × 9 = 63/360 - Likewise, for the 2nd fraction, since 9 × 40 = 360,
5/9 = 5 × 40/9 × 40 = 200/360 - Subtract the two like fractions:
63/360 - 200/360 = 63 - 200/360 = -137/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/40-5/9 7/40-10/9 7/80-5/9 7/40-5/18 21/40-5/9 7/40-15/9 7/40-5/27 35/40-5/9 7/40-25/9 7/40-5/45 49/40-5/9 7/40-35/9 7/40-5/63