Subtract 30/4 from 15/24
1st number: 15/24, 2nd number: 7 2/4
15/24 - 30/4 is -55/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 4 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
15/24 = 15 × 1/24 × 1 = 15/24 - Likewise, for the 2nd fraction, since 4 × 6 = 24,
30/4 = 30 × 6/4 × 6 = 180/24 - Subtract the two like fractions:
15/24 - 180/24 = 15 - 180/24 = -165/24 - After reducing the fraction, the answer is -55/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/24-30/4 15/24-60/4 15/48-30/4 15/24-30/8 45/24-30/4 15/24-90/4 15/72-30/4 15/24-30/12 75/24-30/4 15/24-30/20 15/24-30/28