Subtract 63/35 from 27/36, Solve 27/36

Subtract 63/35 from 27/36

1^st number: 27/36, 2^nd number: 1 28/35

27/36 - 63/35 is -21/20.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 35 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 36 × 35 = 1260,
27/36 = 27 × 35/36 × 35 = 945/1260
Likewise, for the 2nd fraction, since 35 × 36 = 1260,
63/35 = 63 × 36/35 × 36 = 2268/1260
Subtract the two like fractions:
945/1260 - 2268/1260 = 945 - 2268/1260 = -1323/1260
After reducing the fraction, the answer is -21/20

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