Subtract 20/50 from 15/27, Solve 15/27

Subtract 20/50 from 15/27

15/27 - 20/50 is 7/45.

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,
15/27 = 15 × 50/27 × 50 = 750/1350
Likewise, for the 2nd fraction, since 50 × 27 = 1350,
20/50 = 20 × 27/50 × 27 = 540/1350
Subtract the two like fractions:
750/1350 - 540/1350 = 750 - 540/1350 = 210/1350
After reducing the fraction, the answer is 7/45

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