Subtract 84/25 from 3/84
1st number: 3/84, 2nd number: 3 9/25
3/84 - 84/25 is -2327/700.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 25 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
3/84 = 3 × 25/84 × 25 = 75/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
84/25 = 84 × 84/25 × 84 = 7056/2100 - Subtract the two like fractions:
75/2100 - 7056/2100 = 75 - 7056/2100 = -6981/2100 - After reducing the fraction, the answer is -2327/700
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/84-84/25 3/84-84/50 9/84-84/25 3/84-84/75 15/84-84/25 21/84-84/25