Subtract 15/18 from 45/4
1st number: 11 1/4, 2nd number: 15/18
45/4 - 15/18 is 125/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
45/4 = 45 × 9/4 × 9 = 405/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
15/18 = 15 × 2/18 × 2 = 30/36 - Subtract the two like fractions:
405/36 - 30/36 = 405 - 30/36 = 375/36 - After reducing the fraction, the answer is 125/12
- In mixed form: 105/12
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