Subtract 20/16 from 6/20
1st number: 6/20, 2nd number: 1 4/16
6/20 - 20/16 is -19/20.
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,
6/20 = 6 × 4/20 × 4 = 24/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
20/16 = 20 × 5/16 × 5 = 100/80 - Subtract the two like fractions:
24/80 - 100/80 = 24 - 100/80 = -76/80 - After reducing the fraction, the answer is -19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20-20/16 6/20-40/16 6/40-20/16 6/20-20/32 18/20-20/16 6/20-60/16 6/60-20/16 6/20-20/48 30/20-20/16 6/20-20/80 42/20-20/16