Subtract 5/49 from 12/42
12/42 - 5/49 is 9/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 42 × 7 = 294,
12/42 = 12 × 7/42 × 7 = 84/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
5/49 = 5 × 6/49 × 6 = 30/294 - Subtract the two like fractions:
84/294 - 30/294 = 84 - 30/294 = 54/294 - After reducing the fraction, the answer is 9/49
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