Subtract 1/28 from 30/24
1st number: 1 6/24, 2nd number: 1/28
30/24 - 1/28 is 17/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 28 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 28 × 6 = 168,
1/28 = 1 × 6/28 × 6 = 6/168 - Subtract the two like fractions:
210/168 - 6/168 = 210 - 6/168 = 204/168 - After reducing the fraction, the answer is 17/14
- In mixed form: 13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/24-1/28 30/24-2/28 30/48-1/28 30/24-1/56 90/24-1/28 30/24-3/28 30/72-1/28 30/24-1/84 30/24-5/28 30/24-7/28