Subtract 81/80 from 84/6
1st number: 14 0/6, 2nd number: 1 1/80
84/6 - 81/80 is 1039/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 6 × 40 = 240,
84/6 = 84 × 40/6 × 40 = 3360/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
81/80 = 81 × 3/80 × 3 = 243/240 - Subtract the two like fractions:
3360/240 - 243/240 = 3360 - 243/240 = 3117/240 - After reducing the fraction, the answer is 1039/80
- In mixed form: 1279/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12-81/80 84/18-81/80 84/30-81/80 84/42-81/80