Subtract 15/3 from 9/30
1st number: 9/30, 2nd number: 5 0/3
9/30 - 15/3 is -47/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
9/30 = 9 × 1/30 × 1 = 9/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
15/3 = 15 × 10/3 × 10 = 150/30 - Subtract the two like fractions:
9/30 - 150/30 = 9 - 150/30 = -141/30 - After reducing the fraction, the answer is -47/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30-15/3 9/30-30/3 9/60-15/3 9/30-15/6 27/30-15/3 9/30-45/3 9/90-15/3 9/30-15/9 45/30-15/3 9/30-75/3 63/30-15/3 9/30-15/21