Subtract 35/50 from 54/90
54/90 - 35/50 is -1/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
54/90 = 54 × 5/90 × 5 = 270/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
35/50 = 35 × 9/50 × 9 = 315/450 - Subtract the two like fractions:
270/450 - 315/450 = 270 - 315/450 = -45/450 - 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: 54/90-70/50