Subtract 90/16 from 1/12
1st number: 1/12, 2nd number: 5 10/16
1/12 - 90/16 is -133/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
1/12 = 1 × 4/12 × 4 = 4/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
90/16 = 90 × 3/16 × 3 = 270/48 - Subtract the two like fractions:
4/48 - 270/48 = 4 - 270/48 = -266/48 - After reducing the fraction, the answer is -133/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/12-90/16 1/24-90/16 1/12-90/32 3/12-90/16 1/36-90/16 1/12-90/48 5/12-90/16 1/60-90/16 1/12-90/80 7/12-90/16 1/84-90/16