Subtract 16/12 from 21/50
1st number: 21/50, 2nd number: 1 4/12
21/50 - 16/12 is -137/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 50 × 6 = 300,
21/50 = 21 × 6/50 × 6 = 126/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
16/12 = 16 × 25/12 × 25 = 400/300 - Subtract the two like fractions:
126/300 - 400/300 = 126 - 400/300 = -274/300 - After reducing the fraction, the answer is -137/150
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50-16/12 21/50-32/12 21/50-16/24 63/50-16/12 21/50-48/12 21/50-16/36 21/50-80/12 21/50-16/60 21/50-16/84