Subtract 12/30 from 16/49
16/49 - 12/30 is -18/245.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 49 × 30 = 1470,
16/49 = 16 × 30/49 × 30 = 480/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
12/30 = 12 × 49/30 × 49 = 588/1470 - Subtract the two like fractions:
480/1470 - 588/1470 = 480 - 588/1470 = -108/1470 - After reducing the fraction, the answer is -18/245
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