Subtract 12/96 from 18/90
18/90 - 12/96 is 3/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 96 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
18/90 = 18 × 16/90 × 16 = 288/1440 - Likewise, for the 2nd fraction, since 96 × 15 = 1440,
12/96 = 12 × 15/96 × 15 = 180/1440 - Subtract the two like fractions:
288/1440 - 180/1440 = 288 - 180/1440 = 108/1440 - After reducing the fraction, the answer is 3/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/90-12/96 18/90-24/96 54/90-12/96 18/90-36/96 18/90-60/96 18/90-84/96