Subtract 30/49 from 45/63, Solve 45/63

Subtract 30/49 from 45/63

45/63 - 30/49 is 5/49.

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,
45/63 = 45 × 7/63 × 7 = 315/441
Likewise, for the 2nd fraction, since 49 × 9 = 441,
30/49 = 30 × 9/49 × 9 = 270/441
Subtract the two like fractions:
315/441 - 270/441 = 315 - 270/441 = 45/441
After reducing the fraction, the answer is 5/49

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