Subtract 20/96 from 1/30
1/30 - 20/96 is -7/40.
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,
1/30 = 1 × 16/30 × 16 = 16/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
20/96 = 20 × 5/96 × 5 = 100/480 - Subtract the two like fractions:
16/480 - 100/480 = 16 - 100/480 = -84/480 - After reducing the fraction, the answer is -7/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30-20/96 1/30-40/96 1/60-20/96 3/30-20/96 1/30-60/96 1/90-20/96 5/30-20/96 7/30-20/96