Subtract 50/49 from 9/30, Solve 9/30

Subtract 50/49 from 9/30

1^st number: 9/30, 2^nd number: 1 1/49

9/30 - 50/49 is -353/490.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 49 is 1470

Next, find the equivalent fraction of both fractional numbers with denominator 1470
For the 1st fraction, since 30 × 49 = 1470,
9/30 = 9 × 49/30 × 49 = 441/1470
Likewise, for the 2nd fraction, since 49 × 30 = 1470,
50/49 = 50 × 30/49 × 30 = 1500/1470
Subtract the two like fractions:
441/1470 - 1500/1470 = 441 - 1500/1470 = -1059/1470
After reducing the fraction, the answer is -353/490

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