Subtract 21/30 from 2/49, Solve 2/49

Subtract 21/30 from 2/49

2/49 - 21/30 is -323/490.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1470
For the 1st fraction, since 49 × 30 = 1470,
2/49 = 2 × 30/49 × 30 = 60/1470
Likewise, for the 2nd fraction, since 30 × 49 = 1470,
21/30 = 21 × 49/30 × 49 = 1029/1470
Subtract the two like fractions:
60/1470 - 1029/1470 = 60 - 1029/1470 = -969/1470
After reducing the fraction, the answer is -323/490

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