Subtract 21/3 from 9/98, Solve 9/98

Subtract 21/3 from 9/98

1^st number: 9/98, 2^nd number: 7 0/3

9/98 - 21/3 is -677/98.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 3 is 294

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 98 × 3 = 294,
9/98 = 9 × 3/98 × 3 = 27/294
Likewise, for the 2nd fraction, since 3 × 98 = 294,
21/3 = 21 × 98/3 × 98 = 2058/294
Subtract the two like fractions:
27/294 - 2058/294 = 27 - 2058/294 = -2031/294
After reducing the fraction, the answer is -677/98

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