Subtract 30/6 from 18/25
1st number: 18/25, 2nd number: 5 0/6
18/25 - 30/6 is -107/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 6 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
18/25 = 18 × 6/25 × 6 = 108/150 - Likewise, for the 2nd fraction, since 6 × 25 = 150,
30/6 = 30 × 25/6 × 25 = 750/150 - Subtract the two like fractions:
108/150 - 750/150 = 108 - 750/150 = -642/150 - After reducing the fraction, the answer is -107/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/25-30/6 18/25-60/6 18/50-30/6 18/25-30/12 54/25-30/6 18/25-90/6 18/75-30/6 18/25-30/18 90/25-30/6 18/25-30/42