Subtract 12/9 from 25/50
1st number: 25/50, 2nd number: 1 3/9
25/50 - 12/9 is -5/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 9 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
25/50 = 25 × 9/50 × 9 = 225/450 - Likewise, for the 2nd fraction, since 9 × 50 = 450,
12/9 = 12 × 50/9 × 50 = 600/450 - Subtract the two like fractions:
225/450 - 600/450 = 225 - 600/450 = -375/450 - After reducing the fraction, the answer is -5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 25/50-24/9 25/50-12/18 75/50-12/9 25/50-36/9 25/50-12/27 25/50-60/9 25/50-12/45 25/50-84/9 25/50-12/63