Subtract 18/75 from 30/10
1st number: 3 0/10, 2nd number: 18/75
30/10 - 18/75 is 69/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 10 × 15 = 150,
30/10 = 30 × 15/10 × 15 = 450/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
18/75 = 18 × 2/75 × 2 = 36/150 - Subtract the two like fractions:
450/150 - 36/150 = 450 - 36/150 = 414/150 - After reducing the fraction, the answer is 69/25
- In mixed form: 219/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10-18/75 30/10-36/75 30/20-18/75 90/10-18/75 30/10-54/75 30/10-90/75 30/50-18/75 30/70-18/75