Subtract 63/49 from 7/36, Solve 7/36

Subtract 63/49 from 7/36

1^st number: 7/36, 2^nd number: 1 14/49

7/36 - 63/49 is -275/252.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 49 is 1764

Next, find the equivalent fraction of both fractional numbers with denominator 1764
For the 1st fraction, since 36 × 49 = 1764,
7/36 = 7 × 49/36 × 49 = 343/1764
Likewise, for the 2nd fraction, since 49 × 36 = 1764,
63/49 = 63 × 36/49 × 36 = 2268/1764
Subtract the two like fractions:
343/1764 - 2268/1764 = 343 - 2268/1764 = -1925/1764
After reducing the fraction, the answer is -275/252

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