Subtract 70/27 from 80/4
1st number: 20 0/4, 2nd number: 2 16/27
80/4 - 70/27 is 470/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
80/4 = 80 × 27/4 × 27 = 2160/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
70/27 = 70 × 4/27 × 4 = 280/108 - Subtract the two like fractions:
2160/108 - 280/108 = 2160 - 280/108 = 1880/108 - After reducing the fraction, the answer is 470/27
- In mixed form: 1711/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8-70/27 80/4-70/54 80/12-70/27 80/4-70/81 80/20-70/27 80/28-70/27