Subtract 90/16 from 16/5
1st number: 3 1/5, 2nd number: 5 10/16
16/5 - 90/16 is -97/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
16/5 = 16 × 16/5 × 16 = 256/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
90/16 = 90 × 5/16 × 5 = 450/80 - Subtract the two like fractions:
256/80 - 450/80 = 256 - 450/80 = -194/80 - After reducing the fraction, the answer is -97/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/5-90/16 16/10-90/16 16/5-90/32 48/5-90/16 16/15-90/16 16/5-90/48 80/5-90/16 16/25-90/16 16/5-90/80 16/35-90/16