Subtract 7/49 from 3/27
3/27 - 7/49 is -2/63.
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,
3/27 = 3 × 49/27 × 49 = 147/1323 - Likewise, for the 2nd fraction, since 49 × 27 = 1323,
7/49 = 7 × 27/49 × 27 = 189/1323 - Subtract the two like fractions:
147/1323 - 189/1323 = 147 - 189/1323 = -42/1323 - After reducing the fraction, the answer is -2/63
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