Subtract 3/40 from 10/16
10/16 - 3/40 is 11/20.
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,
10/16 = 10 × 5/16 × 5 = 50/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
3/40 = 3 × 2/40 × 2 = 6/80 - Subtract the two like fractions:
50/80 - 6/80 = 50 - 6/80 = 44/80 - After reducing the fraction, the answer is 11/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/16-3/40 10/16-6/40 10/32-3/40 10/16-3/80 30/16-3/40 10/16-9/40 10/48-3/40 50/16-3/40 10/16-15/40 10/80-3/40 70/16-3/40 10/16-21/40