Subtract 7/27 from 80/30
1st number: 2 20/30, 2nd number: 7/27
80/30 - 7/27 is 65/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
80/30 = 80 × 9/30 × 9 = 720/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
7/27 = 7 × 10/27 × 10 = 70/270 - Subtract the two like fractions:
720/270 - 70/270 = 720 - 70/270 = 650/270 - After reducing the fraction, the answer is 65/27
- In mixed form: 211/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/30-14/27 80/60-7/27 80/30-7/54 80/30-21/27 80/90-7/27 80/30-7/81 80/30-35/27 80/30-49/27