Subtract 3/27 from 40/49, Solve 40/49

Subtract 3/27 from 40/49

40/49 - 3/27 is 311/441.

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,
40/49 = 40 × 27/49 × 27 = 1080/1323
Likewise, for the 2nd fraction, since 27 × 49 = 1323,
3/27 = 3 × 49/27 × 49 = 147/1323
Subtract the two like fractions:
1080/1323 - 147/1323 = 1080 - 147/1323 = 933/1323
After reducing the fraction, the answer is 311/441

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