Subtract 90/16 from 80/10
1st number: 8 0/10, 2nd number: 5 10/16
80/10 - 90/16 is 19/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
80/10 = 80 × 8/10 × 8 = 640/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
90/16 = 90 × 5/16 × 5 = 450/80 - Subtract the two like fractions:
640/80 - 450/80 = 640 - 450/80 = 190/80 - After reducing the fraction, the answer is 19/8
- In mixed form: 23/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20-90/16 80/10-90/32 80/30-90/16 80/10-90/48 80/50-90/16 80/10-90/80 80/70-90/16