Subtract 9/30 from 15/4
1st number: 3 3/4, 2nd number: 9/30
15/4 - 9/30 is 69/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
15/4 = 15 × 15/4 × 15 = 225/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
9/30 = 9 × 2/30 × 2 = 18/60 - Subtract the two like fractions:
225/60 - 18/60 = 225 - 18/60 = 207/60 - After reducing the fraction, the answer is 69/20
- In mixed form: 39/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4-9/30 15/4-18/30 15/8-9/30 15/4-9/60 45/4-9/30 15/4-27/30 15/12-9/30 15/4-9/90 75/4-9/30 15/4-45/30 15/20-9/30 15/4-63/30 15/28-9/30