Subtract 84/4 from 7/27
1st number: 7/27, 2nd number: 21 0/4
7/27 - 84/4 is -560/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 4 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
7/27 = 7 × 4/27 × 4 = 28/108 - Likewise, for the 2nd fraction, since 4 × 27 = 108,
84/4 = 84 × 27/4 × 27 = 2268/108 - Subtract the two like fractions:
28/108 - 2268/108 = 28 - 2268/108 = -2240/108 - After reducing the fraction, the answer is -560/27
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