Subtract 90/16 from 90/24
1st number: 3 18/24, 2nd number: 5 10/16
90/24 - 90/16 is -15/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 24 × 2 = 48,
90/24 = 90 × 2/24 × 2 = 180/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
90/16 = 90 × 3/16 × 3 = 270/48 - Subtract the two like fractions:
180/48 - 270/48 = 180 - 270/48 = -90/48 - After reducing the fraction, the answer is -15/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/48-90/16 90/24-90/32 90/72-90/16 90/24-90/48 90/24-90/80