Subtract 84/27 from 9/80
1st number: 9/80, 2nd number: 3 3/27
9/80 - 84/27 is -2159/720.
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,
9/80 = 9 × 27/80 × 27 = 243/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
84/27 = 84 × 80/27 × 80 = 6720/2160 - Subtract the two like fractions:
243/2160 - 6720/2160 = 243 - 6720/2160 = -6477/2160 - After reducing the fraction, the answer is -2159/720
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/80-84/27 9/80-84/54 27/80-84/27 9/80-84/81 45/80-84/27 63/80-84/27