Subtract 1/40 from 6/16
6/16 - 1/40 is 7/20.
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,
6/16 = 6 × 5/16 × 5 = 30/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
1/40 = 1 × 2/40 × 2 = 2/80 - Subtract the two like fractions:
30/80 - 2/80 = 30 - 2/80 = 28/80 - After reducing the fraction, the answer is 7/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/16-1/40 6/16-2/40 6/32-1/40 6/16-1/80 18/16-1/40 6/16-3/40 6/48-1/40 30/16-1/40 6/16-5/40 6/80-1/40 42/16-1/40 6/16-7/40