Subtract 70/49 from 7/27
1st number: 7/27, 2nd number: 1 21/49
7/27 - 70/49 is -221/189.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 49 is 1323
Next, find the equivalent fraction of both fractional numbers with denominator 1323 - For the 1st fraction, since 27 × 49 = 1323,
7/27 = 7 × 49/27 × 49 = 343/1323 - Likewise, for the 2nd fraction, since 49 × 27 = 1323,
70/49 = 70 × 27/49 × 27 = 1890/1323 - Subtract the two like fractions:
343/1323 - 1890/1323 = 343 - 1890/1323 = -1547/1323 - After reducing the fraction, the answer is -221/189
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