Subtract 30/28 from 7/27
1st number: 7/27, 2nd number: 1 2/28
7/27 - 30/28 is -307/378.
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,
7/27 = 7 × 28/27 × 28 = 196/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
30/28 = 30 × 27/28 × 27 = 810/756 - Subtract the two like fractions:
196/756 - 810/756 = 196 - 810/756 = -614/756 - After reducing the fraction, the answer is -307/378
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