Subtract 30/25 from 2/84
1st number: 2/84, 2nd number: 1 5/25
2/84 - 30/25 is -247/210.
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,
2/84 = 2 × 25/84 × 25 = 50/2100 - Likewise, for the 2nd fraction, since 25 × 84 = 2100,
30/25 = 30 × 84/25 × 84 = 2520/2100 - Subtract the two like fractions:
50/2100 - 2520/2100 = 50 - 2520/2100 = -2470/2100 - After reducing the fraction, the answer is -247/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84-30/25 2/84-60/25 2/84-30/50 6/84-30/25 2/84-90/25 2/84-30/75 10/84-30/25 14/84-30/25