Subtract 50/7 from 18/36, Solve 18/36

Subtract 50/7 from 18/36

1^st number: 18/36, 2^nd number: 7 1/7

18/36 - 50/7 is -93/14.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 36 × 7 = 252,
18/36 = 18 × 7/36 × 7 = 126/252
Likewise, for the 2nd fraction, since 7 × 36 = 252,
50/7 = 50 × 36/7 × 36 = 1800/252
Subtract the two like fractions:
126/252 - 1800/252 = 126 - 1800/252 = -1674/252
After reducing the fraction, the answer is -93/14

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