Subtract 84/25 from 30/10
1st number: 3 0/10, 2nd number: 3 9/25
30/10 - 84/25 is -9/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 25 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 10 × 5 = 50,
30/10 = 30 × 5/10 × 5 = 150/50 - Likewise, for the 2nd fraction, since 25 × 2 = 50,
84/25 = 84 × 2/25 × 2 = 168/50 - Subtract the two like fractions:
150/50 - 168/50 = 150 - 168/50 = -18/50 - After reducing the fraction, the answer is -9/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10-84/25 30/20-84/25 30/10-84/50 90/10-84/25 30/10-84/75 30/50-84/25 30/70-84/25