Subtract 54/49 from 63/42
1st number: 1 21/42, 2nd number: 1 5/49
63/42 - 54/49 is 39/98.
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,
63/42 = 63 × 7/42 × 7 = 441/294 - Likewise, for the 2nd fraction, since 49 × 6 = 294,
54/49 = 54 × 6/49 × 6 = 324/294 - Subtract the two like fractions:
441/294 - 324/294 = 441 - 324/294 = 117/294 - After reducing the fraction, the answer is 39/98
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