Subtract 10/50 from 75/84
75/84 - 10/50 is 97/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 50 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
75/84 = 75 × 25/84 × 25 = 1875/2100 - Likewise, for the 2nd fraction, since 50 × 42 = 2100,
10/50 = 10 × 42/50 × 42 = 420/2100 - Subtract the two like fractions:
1875/2100 - 420/2100 = 1875 - 420/2100 = 1455/2100 - After reducing the fraction, the answer is 97/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/84-20/50 75/84-30/50 75/84-70/50