Subtract 90/10 from 90/16
1st number: 5 10/16, 2nd number: 9 0/10
90/16 - 90/10 is -27/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 10 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 10 × 8 = 80,
90/10 = 90 × 8/10 × 8 = 720/80 - Subtract the two like fractions:
450/80 - 720/80 = 450 - 720/80 = -270/80 - After reducing the fraction, the answer is -27/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/32-90/10 90/16-90/20 90/48-90/10 90/16-90/30 90/80-90/10 90/16-90/50 90/16-90/70