Subtract 2/16 from 8/20
8/20 - 2/16 is 11/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
8/20 = 8 × 4/20 × 4 = 32/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
2/16 = 2 × 5/16 × 5 = 10/80 - Subtract the two like fractions:
32/80 - 10/80 = 32 - 10/80 = 22/80 - After reducing the fraction, the answer is 11/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20-2/16 8/20-4/16 8/40-2/16 8/20-2/32 24/20-2/16 8/20-6/16 8/60-2/16 8/20-2/48 40/20-2/16 8/20-10/16 8/20-2/80 56/20-2/16 8/20-14/16