Subtract 4/80 from 25/84
25/84 - 4/80 is 26/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 84 × 20 = 1680,
25/84 = 25 × 20/84 × 20 = 500/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
4/80 = 4 × 21/80 × 21 = 84/1680 - Subtract the two like fractions:
500/1680 - 84/1680 = 500 - 84/1680 = 416/1680 - After reducing the fraction, the answer is 26/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84-4/80 25/84-8/80 75/84-4/80 25/84-12/80 25/84-20/80 25/84-28/80