Subtract 30/27 from 80/15
1st number: 5 5/15, 2nd number: 1 3/27
80/15 - 30/27 is 38/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
80/15 = 80 × 9/15 × 9 = 720/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
30/27 = 30 × 5/27 × 5 = 150/135 - Subtract the two like fractions:
720/135 - 150/135 = 720 - 150/135 = 570/135 - After reducing the fraction, the answer is 38/9
- In mixed form: 42/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15-60/27 80/30-30/27 80/15-30/54 80/15-90/27 80/45-30/27 80/15-30/81 80/75-30/27