Subtract 2/16 from 2/20
2/20 - 2/16 is -1/40.
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,
2/20 = 2 × 4/20 × 4 = 8/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
2/16 = 2 × 5/16 × 5 = 10/80 - Subtract the two like fractions:
8/80 - 10/80 = 8 - 10/80 = -2/80 - After reducing the fraction, the answer is -1/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20-2/16 2/20-4/16 2/40-2/16 2/20-2/32 6/20-2/16 2/20-6/16 2/60-2/16 2/20-2/48 10/20-2/16 2/20-10/16 2/20-2/80 14/20-2/16 2/20-14/16