Subtract 4/18 from 84/30
1st number: 2 24/30, 2nd number: 4/18
84/30 - 4/18 is 116/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
84/30 = 84 × 3/30 × 3 = 252/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
4/18 = 4 × 5/18 × 5 = 20/90 - Subtract the two like fractions:
252/90 - 20/90 = 252 - 20/90 = 232/90 - After reducing the fraction, the answer is 116/45
- In mixed form: 226/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30-8/18 84/60-4/18 84/30-4/36 84/30-12/18 84/90-4/18 84/30-4/54 84/30-20/18 84/30-4/90 84/30-28/18