Subtract 30/24 from 3/28
1st number: 3/28, 2nd number: 1 6/24
3/28 - 30/24 is -8/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 28 × 6 = 168,
3/28 = 3 × 6/28 × 6 = 18/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
30/24 = 30 × 7/24 × 7 = 210/168 - Subtract the two like fractions:
18/168 - 210/168 = 18 - 210/168 = -192/168 - After reducing the fraction, the answer is -8/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/28-30/24 3/28-60/24 3/56-30/24 3/28-30/48 9/28-30/24 3/28-90/24 3/84-30/24 3/28-30/72 15/28-30/24 21/28-30/24