Subtract 49/90 from 1/50
1/50 - 49/90 is -118/225.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
1/50 = 1 × 9/50 × 9 = 9/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
49/90 = 49 × 5/90 × 5 = 245/450 - Subtract the two like fractions:
9/450 - 245/450 = 9 - 245/450 = -236/450 - After reducing the fraction, the answer is -118/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/50-49/90 1/50-98/90 3/50-49/90 5/50-49/90 7/50-49/90