Subtract 12/45 from 8/50
8/50 - 12/45 is -8/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
8/50 = 8 × 9/50 × 9 = 72/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
12/45 = 12 × 10/45 × 10 = 120/450 - Subtract the two like fractions:
72/450 - 120/450 = 72 - 120/450 = -48/450 - After reducing the fraction, the answer is -8/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/50-12/45 8/50-24/45 8/50-12/90 24/50-12/45 8/50-36/45 40/50-12/45 8/50-60/45 56/50-12/45 8/50-84/45