Subtract 70/27 from 84/80
1st number: 1 4/80, 2nd number: 2 16/27
84/80 - 70/27 is -833/540.
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,
84/80 = 84 × 27/80 × 27 = 2268/2160 - Likewise, for the 2nd fraction, since 27 × 80 = 2160,
70/27 = 70 × 80/27 × 80 = 5600/2160 - Subtract the two like fractions:
2268/2160 - 5600/2160 = 2268 - 5600/2160 = -3332/2160 - After reducing the fraction, the answer is -833/540
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/80-70/54 84/80-70/81