Subtract 27/3 from 90/50
1st number: 1 40/50, 2nd number: 9 0/3
90/50 - 27/3 is -36/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 3 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
90/50 = 90 × 3/50 × 3 = 270/150 - Likewise, for the 2nd fraction, since 3 × 50 = 150,
27/3 = 27 × 50/3 × 50 = 1350/150 - Subtract the two like fractions:
270/150 - 1350/150 = 270 - 1350/150 = -1080/150 - After reducing the fraction, the answer is -36/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50-54/3 90/50-27/6 90/50-81/3 90/50-27/9 90/50-27/15 90/50-27/21