Subtract 3/27 from 20/49, Solve 20/49

Subtract 3/27 from 20/49

20/49 - 3/27 is 131/441.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 27 is 1323

Next, find the equivalent fraction of both fractional numbers with denominator 1323
For the 1st fraction, since 49 × 27 = 1323,
20/49 = 20 × 27/49 × 27 = 540/1323
Likewise, for the 2nd fraction, since 27 × 49 = 1323,
3/27 = 3 × 49/27 × 49 = 147/1323
Subtract the two like fractions:
540/1323 - 147/1323 = 540 - 147/1323 = 393/1323
After reducing the fraction, the answer is 131/441

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