Subtract 16/40 from 6/7
6/7 - 16/40 is 16/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
6/7 = 6 × 40/7 × 40 = 240/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
16/40 = 16 × 7/40 × 7 = 112/280 - Subtract the two like fractions:
240/280 - 112/280 = 240 - 112/280 = 128/280 - After reducing the fraction, the answer is 16/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/7-16/40 6/7-32/40 6/14-16/40 6/7-16/80 18/7-16/40 6/7-48/40 6/21-16/40 30/7-16/40 6/7-80/40 6/35-16/40 42/7-16/40 6/49-16/40