Subtract 50/27 from 12/28, Solve 12/28

Subtract 50/27 from 12/28

1^st number: 12/28, 2^nd number: 1 23/27

12/28 - 50/27 is -269/189.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 27 is 756

Next, find the equivalent fraction of both fractional numbers with denominator 756
For the 1st fraction, since 28 × 27 = 756,
12/28 = 12 × 27/28 × 27 = 324/756
Likewise, for the 2nd fraction, since 27 × 28 = 756,
50/27 = 50 × 28/27 × 28 = 1400/756
Subtract the two like fractions:
324/756 - 1400/756 = 324 - 1400/756 = -1076/756
After reducing the fraction, the answer is -269/189

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