Subtract 1/3 from 30/50
30/50 - 1/3 is 4/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 3 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
30/50 = 30 × 3/50 × 3 = 90/150 - Likewise, for the 2nd fraction, since 3 × 50 = 150,
1/3 = 1 × 50/3 × 50 = 50/150 - Subtract the two like fractions:
90/150 - 50/150 = 90 - 50/150 = 40/150 - After reducing the fraction, the answer is 4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/50-1/3 30/50-2/3 30/50-1/6 90/50-1/3 30/50-1/9 30/50-5/3 30/50-1/15 30/50-7/3 30/50-1/21