Subtract 7/28 from 45/27
1st number: 1 18/27, 2nd number: 7/28
45/27 - 7/28 is 17/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 27 × 28 = 756,
45/27 = 45 × 28/27 × 28 = 1260/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
7/28 = 7 × 27/28 × 27 = 189/756 - Subtract the two like fractions:
1260/756 - 189/756 = 1260 - 189/756 = 1071/756 - After reducing the fraction, the answer is 17/12
- In mixed form: 15/12
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