Subtract 10/75 from 5/84
5/84 - 10/75 is -31/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
5/84 = 5 × 25/84 × 25 = 125/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
10/75 = 10 × 28/75 × 28 = 280/2100 - Subtract the two like fractions:
125/2100 - 280/2100 = 125 - 280/2100 = -155/2100 - After reducing the fraction, the answer is -31/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/84-10/75 5/84-20/75 15/84-10/75 5/84-30/75 25/84-10/75 5/84-50/75 35/84-10/75 5/84-70/75