Subtract 90/80 from 35/27
1st number: 1 8/27, 2nd number: 1 10/80
35/27 - 90/80 is 37/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 27 × 80 = 2160,
35/27 = 35 × 80/27 × 80 = 2800/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
90/80 = 90 × 27/80 × 27 = 2430/2160 - Subtract the two like fractions:
2800/2160 - 2430/2160 = 2800 - 2430/2160 = 370/2160 - After reducing the fraction, the answer is 37/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/27-90/80 35/54-90/80 35/81-90/80