Subtract 12/50 from 1/45
1/45 - 12/50 is -49/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 45 × 10 = 450,
1/45 = 1 × 10/45 × 10 = 10/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
12/50 = 12 × 9/50 × 9 = 108/450 - Subtract the two like fractions:
10/450 - 108/450 = 10 - 108/450 = -98/450 - After reducing the fraction, the answer is -49/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45-12/50 1/45-24/50 1/90-12/50 3/45-12/50 1/45-36/50 5/45-12/50 1/45-60/50 7/45-12/50 1/45-84/50