Subtract 36/21 from 27/48
1st number: 27/48, 2nd number: 1 15/21
27/48 - 36/21 is -129/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
27/48 = 27 × 7/48 × 7 = 189/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
36/21 = 36 × 16/21 × 16 = 576/336 - Subtract the two like fractions:
189/336 - 576/336 = 189 - 576/336 = -387/336 - After reducing the fraction, the answer is -129/112
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