Subtract 84/30 from 15/2
1st number: 7 1/2, 2nd number: 2 24/30
15/2 - 84/30 is 47/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
15/2 = 15 × 15/2 × 15 = 225/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
84/30 = 84 × 1/30 × 1 = 84/30 - Subtract the two like fractions:
225/30 - 84/30 = 225 - 84/30 = 141/30 - After reducing the fraction, the answer is 47/10
- In mixed form: 47/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2-84/30 15/4-84/30 15/2-84/60 45/2-84/30 15/6-84/30 15/2-84/90 75/2-84/30 15/10-84/30 15/14-84/30