Subtract 8/5 from 90/16
1st number: 5 10/16, 2nd number: 1 3/5
90/16 - 8/5 is 161/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
90/16 = 90 × 5/16 × 5 = 450/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
8/5 = 8 × 16/5 × 16 = 128/80 - Subtract the two like fractions:
450/80 - 128/80 = 450 - 128/80 = 322/80 - After reducing the fraction, the answer is 161/40
- In mixed form: 41/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16-16/5 90/32-8/5 90/16-8/10 90/16-24/5 90/48-8/5 90/16-8/15 90/16-40/5 90/80-8/5 90/16-8/25 90/16-56/5 90/16-8/35