Subtract 18/84 from 30/24
1st number: 1 6/24, 2nd number: 18/84
30/24 - 18/84 is 29/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 84 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
30/24 = 30 × 7/24 × 7 = 210/168 - Likewise, for the 2nd fraction, since 84 × 2 = 168,
18/84 = 18 × 2/84 × 2 = 36/168 - Subtract the two like fractions:
210/168 - 36/168 = 210 - 36/168 = 174/168 - After reducing the fraction, the answer is 29/28
- In mixed form: 11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/24-18/84 30/24-36/84 30/48-18/84 90/24-18/84 30/24-54/84 30/72-18/84 30/24-90/84