Subtract 84/80 from 84/75
1st number: 1 9/75, 2nd number: 1 4/80
84/75 - 84/80 is 7/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 80 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
84/75 = 84 × 16/75 × 16 = 1344/1200 - Likewise, for the 2nd fraction, since 80 × 15 = 1200,
84/80 = 84 × 15/80 × 15 = 1260/1200 - Subtract the two like fractions:
1344/1200 - 1260/1200 = 1344 - 1260/1200 = 84/1200 - After reducing the fraction, the answer is 7/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: