Subtract 7/40 from 1/16
1/16 - 7/40 is -9/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
1/16 = 1 × 5/16 × 5 = 5/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
7/40 = 7 × 2/40 × 2 = 14/80 - Subtract the two like fractions:
5/80 - 14/80 = 5 - 14/80 = -9/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/16-7/40 1/16-14/40 1/32-7/40 1/16-7/80 3/16-7/40 1/16-21/40 1/48-7/40 5/16-7/40 1/16-35/40 1/80-7/40 7/16-7/40 1/16-49/40