Subtract 25/50 from 12/20
12/20 - 25/50 is 1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
12/20 = 12 × 5/20 × 5 = 60/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
25/50 = 25 × 2/50 × 2 = 50/100 - Subtract the two like fractions:
60/100 - 50/100 = 60 - 50/100 = 10/100 - After reducing the fraction, the answer is 1/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20-25/50 12/40-25/50 36/20-25/50 12/20-75/50 12/60-25/50 60/20-25/50 84/20-25/50