Subtract 1/96 from 21/30
21/30 - 1/96 is 331/480.
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,
21/30 = 21 × 16/30 × 16 = 336/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
1/96 = 1 × 5/96 × 5 = 5/480 - Subtract the two like fractions:
336/480 - 5/480 = 336 - 5/480 = 331/480
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30-1/96 21/30-2/96 21/60-1/96 63/30-1/96 21/30-3/96 21/90-1/96 21/30-5/96 21/30-7/96