Subtract 1/80 from 30/9
1st number: 3 3/9, 2nd number: 1/80
30/9 - 1/80 is 797/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 9 × 80 = 720,
30/9 = 30 × 80/9 × 80 = 2400/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
1/80 = 1 × 9/80 × 9 = 9/720 - Subtract the two like fractions:
2400/720 - 9/720 = 2400 - 9/720 = 2391/720 - After reducing the fraction, the answer is 797/240
- In mixed form: 377/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/9-1/80 30/9-2/80 30/18-1/80 90/9-1/80 30/9-3/80 30/27-1/80 30/9-5/80 30/45-1/80 30/9-7/80 30/63-1/80