Subtract 42/50 from 12/27, Solve 12/27

Subtract 42/50 from 12/27

12/27 - 42/50 is -89/225.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 50 is 1350

Next, find the equivalent fraction of both fractional numbers with denominator 1350
For the 1st fraction, since 27 × 50 = 1350,
12/27 = 12 × 50/27 × 50 = 600/1350
Likewise, for the 2nd fraction, since 50 × 27 = 1350,
42/50 = 42 × 27/50 × 27 = 1134/1350
Subtract the two like fractions:
600/1350 - 1134/1350 = 600 - 1134/1350 = -534/1350
After reducing the fraction, the answer is -89/225

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