Subtract 24/28 from 30/10
1st number: 3 0/10, 2nd number: 24/28
30/10 - 24/28 is 15/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
30/10 = 30 × 14/10 × 14 = 420/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
24/28 = 24 × 5/28 × 5 = 120/140 - Subtract the two like fractions:
420/140 - 120/140 = 420 - 120/140 = 300/140 - After reducing the fraction, the answer is 15/7
- In mixed form: 21/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/10-24/28 30/10-48/28 30/20-24/28 30/10-24/56 90/10-24/28 30/10-72/28 30/10-24/84 30/50-24/28 30/70-24/28