Subtract 84/24 from 15/5
1st number: 3 0/5, 2nd number: 3 12/24
15/5 - 84/24 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 5 × 24 = 120,
15/5 = 15 × 24/5 × 24 = 360/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
84/24 = 84 × 5/24 × 5 = 420/120 - Subtract the two like fractions:
360/120 - 420/120 = 360 - 420/120 = -60/120 - After reducing the fraction, the answer is -1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5-84/24 15/10-84/24 15/5-84/48 45/5-84/24 15/5-84/72 75/5-84/24 15/25-84/24 15/35-84/24