Subtract 7/80 from 84/36
1st number: 2 12/36, 2nd number: 7/80
84/36 - 7/80 is 539/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 36 × 20 = 720,
84/36 = 84 × 20/36 × 20 = 1680/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
7/80 = 7 × 9/80 × 9 = 63/720 - Subtract the two like fractions:
1680/720 - 63/720 = 1680 - 63/720 = 1617/720 - After reducing the fraction, the answer is 539/240
- In mixed form: 259/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36-14/80 84/72-7/80 84/36-21/80 84/36-35/80 84/36-49/80