Subtract 25/27 from 90/80
1st number: 1 10/80, 2nd number: 25/27
90/80 - 25/27 is 43/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 27 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
90/80 = 90 × 27/80 × 27 = 2430/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
25/27 = 25 × 80/27 × 80 = 2000/2160 - Subtract the two like fractions:
2430/2160 - 2000/2160 = 2430 - 2000/2160 = 430/2160 - After reducing the fraction, the answer is 43/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80-50/27 90/80-25/54 90/80-75/27 90/80-25/81