Subtract 84/80 from 60/18
1st number: 3 6/18, 2nd number: 1 4/80
60/18 - 84/80 is 137/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
60/18 = 60 × 40/18 × 40 = 2400/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
84/80 = 84 × 9/80 × 9 = 756/720 - Subtract the two like fractions:
2400/720 - 756/720 = 2400 - 756/720 = 1644/720 - After reducing the fraction, the answer is 137/60
- In mixed form: 217/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/36-84/80 60/54-84/80 60/90-84/80