Subtract 9/8 from 90/16
1st number: 5 10/16, 2nd number: 1 1/8
90/16 - 9/8 is 9/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 8 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 16 × 1 = 16,
90/16 = 90 × 1/16 × 1 = 90/16 - Likewise, for the 2nd fraction, since 8 × 2 = 16,
9/8 = 9 × 2/8 × 2 = 18/16 - Subtract the two like fractions:
90/16 - 18/16 = 90 - 18/16 = 72/16 - After reducing the fraction, the answer is 9/2
- In mixed form: 41/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16-18/8 90/32-9/8 90/16-9/16 90/16-27/8 90/48-9/8 90/16-9/24 90/16-45/8 90/80-9/8 90/16-9/40 90/16-63/8 90/16-9/56