Subtract 1/3 from 42/50
42/50 - 1/3 is 38/75.
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,
42/50 = 42 × 3/50 × 3 = 126/150 - Likewise, for the 2nd fraction, since 3 × 50 = 150,
1/3 = 1 × 50/3 × 50 = 50/150 - Subtract the two like fractions:
126/150 - 50/150 = 126 - 50/150 = 76/150 - After reducing the fraction, the answer is 38/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/50-1/3 42/50-2/3 42/50-1/6 42/50-1/9 42/50-5/3 42/50-1/15 42/50-7/3 42/50-1/21