Subtract 8/20 from 16/40
16/40 - 8/20 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 20 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 20 × 2 = 40,
8/20 = 8 × 2/20 × 2 = 16/40 - Subtract the two like fractions:
16/40 - 16/40 = 16 - 16/40 = 0/40 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/40-8/20 16/40-16/20 16/80-8/20 16/40-8/40 48/40-8/20 16/40-24/20 16/40-8/60 80/40-8/20 16/40-40/20 16/40-56/20