Subtract 72/4 from 1/27
1st number: 1/27, 2nd number: 18 0/4
1/27 - 72/4 is -485/27.
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,
1/27 = 1 × 4/27 × 4 = 4/108 - Likewise, for the 2nd fraction, since 4 × 27 = 108,
72/4 = 72 × 27/4 × 27 = 1944/108 - Subtract the two like fractions:
4/108 - 1944/108 = 4 - 1944/108 = -1940/108 - After reducing the fraction, the answer is -485/27
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