Subtract 18/96 from 12/30
12/30 - 18/96 is 17/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 30 × 16 = 480,
12/30 = 12 × 16/30 × 16 = 192/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
18/96 = 18 × 5/96 × 5 = 90/480 - Subtract the two like fractions:
192/480 - 90/480 = 192 - 90/480 = 102/480 - After reducing the fraction, the answer is 17/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/30-18/96 12/30-36/96 12/60-18/96 36/30-18/96 12/30-54/96 12/90-18/96 60/30-18/96 12/30-90/96 84/30-18/96