Subtract 7/16 from 10/40
10/40 - 7/16 is -3/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
10/40 = 10 × 2/40 × 2 = 20/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
7/16 = 7 × 5/16 × 5 = 35/80 - Subtract the two like fractions:
20/80 - 35/80 = 20 - 35/80 = -15/80 - After reducing the fraction, the answer is -3/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40-7/16 10/40-14/16 10/80-7/16 10/40-7/32 30/40-7/16 10/40-21/16 10/40-7/48 50/40-7/16 10/40-35/16 10/40-7/80 70/40-7/16 10/40-49/16