Subtract 4/5 from 25/84
25/84 - 4/5 is -211/420.
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,
25/84 = 25 × 5/84 × 5 = 125/420 - Likewise, for the 2nd fraction, since 5 × 84 = 420,
4/5 = 4 × 84/5 × 84 = 336/420 - Subtract the two like fractions:
125/420 - 336/420 = 125 - 336/420 = -211/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84-4/5 25/84-8/5 25/84-4/10 75/84-4/5 25/84-12/5 25/84-4/15 25/84-20/5 25/84-4/25 25/84-28/5 25/84-4/35