Subtract 42/49 from 2/63
2/63 - 42/49 is -52/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 49 is 441
Next, find the equivalent fraction of both fractional numbers with denominator 441 - For the 1st fraction, since 63 × 7 = 441,
2/63 = 2 × 7/63 × 7 = 14/441 - Likewise, for the 2nd fraction, since 49 × 9 = 441,
42/49 = 42 × 9/49 × 9 = 378/441 - Subtract the two like fractions:
14/441 - 378/441 = 14 - 378/441 = -364/441 - After reducing the fraction, the answer is -52/63
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