Subtract 84/16 from 20/50
1st number: 20/50, 2nd number: 5 4/16
20/50 - 84/16 is -97/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 16 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
20/50 = 20 × 8/50 × 8 = 160/400 - Likewise, for the 2nd fraction, since 16 × 25 = 400,
84/16 = 84 × 25/16 × 25 = 2100/400 - Subtract the two like fractions:
160/400 - 2100/400 = 160 - 2100/400 = -1940/400 - After reducing the fraction, the answer is -97/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/50-84/16 20/50-84/32 60/50-84/16 20/50-84/48 20/50-84/80