Subtract 20/50 from 1/12
1/12 - 20/50 is -19/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 50 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
1/12 = 1 × 25/12 × 25 = 25/300 - Likewise, for the 2nd fraction, since 50 × 6 = 300,
20/50 = 20 × 6/50 × 6 = 120/300 - Subtract the two like fractions:
25/300 - 120/300 = 25 - 120/300 = -95/300 - After reducing the fraction, the answer is -19/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/12-20/50 1/12-40/50 1/24-20/50 3/12-20/50 1/12-60/50 1/36-20/50 5/12-20/50 1/60-20/50 7/12-20/50 1/84-20/50