Subtract 6/8 from 16/40
16/40 - 6/8 is -7/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
16/40 = 16 × 1/40 × 1 = 16/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
6/8 = 6 × 5/8 × 5 = 30/40 - Subtract the two like fractions:
16/40 - 30/40 = 16 - 30/40 = -14/40 - 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: 32/40-6/8 16/40-12/8 16/80-6/8 16/40-6/16 48/40-6/8 16/40-18/8 16/40-6/24 80/40-6/8 16/40-30/8 16/40-6/40 16/40-42/8 16/40-6/56