Subtract 30/63 from 7/49, Solve 7/49

Subtract 30/63 from 7/49

7/49 - 30/63 is -1/3.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 63 is 441

Next, find the equivalent fraction of both fractional numbers with denominator 441
For the 1st fraction, since 49 × 9 = 441,
7/49 = 7 × 9/49 × 9 = 63/441
Likewise, for the 2nd fraction, since 63 × 7 = 441,
30/63 = 30 × 7/63 × 7 = 210/441
Subtract the two like fractions:
63/441 - 210/441 = 63 - 210/441 = -147/441
After reducing the fraction, the answer is -1/3

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