Subtract 8/50 from 27/90
27/90 - 8/50 is 7/50.
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,
27/90 = 27 × 5/90 × 5 = 135/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
8/50 = 8 × 9/50 × 9 = 72/450 - Subtract the two like fractions:
135/450 - 72/450 = 135 - 72/450 = 63/450 - After reducing the fraction, the answer is 7/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90-8/50 27/90-16/50 81/90-8/50 27/90-24/50 27/90-40/50 27/90-56/50