Subtract 16/84 from 15/75
15/75 - 16/84 is 1/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 84 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 75 × 28 = 2100,
15/75 = 15 × 28/75 × 28 = 420/2100 - Likewise, for the 2nd fraction, since 84 × 25 = 2100,
16/84 = 16 × 25/84 × 25 = 400/2100 - Subtract the two like fractions:
420/2100 - 400/2100 = 420 - 400/2100 = 20/2100 - After reducing the fraction, the answer is 1/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75-16/84 15/75-32/84 45/75-16/84 15/75-48/84 15/75-80/84