Subtract 21/27 from 4/50, Solve 4/50

Subtract 21/27 from 4/50

4/50 - 21/27 is -157/225.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1350
For the 1st fraction, since 50 × 27 = 1350,
4/50 = 4 × 27/50 × 27 = 108/1350
Likewise, for the 2nd fraction, since 27 × 50 = 1350,
21/27 = 21 × 50/27 × 50 = 1050/1350
Subtract the two like fractions:
108/1350 - 1050/1350 = 108 - 1050/1350 = -942/1350
After reducing the fraction, the answer is -157/225

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