Subtract 42/15 from 3/50
1st number: 3/50, 2nd number: 2 12/15
3/50 - 42/15 is -137/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 15 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
3/50 = 3 × 3/50 × 3 = 9/150 - Likewise, for the 2nd fraction, since 15 × 10 = 150,
42/15 = 42 × 10/15 × 10 = 420/150 - Subtract the two like fractions:
9/150 - 420/150 = 9 - 420/150 = -411/150 - After reducing the fraction, the answer is -137/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/50-42/15 3/50-84/15 3/50-42/30 9/50-42/15 3/50-42/45 15/50-42/15 3/50-42/75 21/50-42/15