Subtract 3/5 from 75/84
75/84 - 3/5 is 41/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 5 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
75/84 = 75 × 5/84 × 5 = 375/420 - Likewise, for the 2nd fraction, since 5 × 84 = 420,
3/5 = 3 × 84/5 × 84 = 252/420 - Subtract the two like fractions:
375/420 - 252/420 = 375 - 252/420 = 123/420 - After reducing the fraction, the answer is 41/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/84-6/5 75/84-3/10 75/84-9/5 75/84-3/15 75/84-15/5 75/84-3/25 75/84-21/5 75/84-3/35