Subtract 1/98 from 30/21, Solve 1 9/21

Subtract 1/98 from 30/21

1^st number: 1 9/21, 2^nd number: 1/98

30/21 - 1/98 is 139/98.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 21 × 14 = 294,
30/21 = 30 × 14/21 × 14 = 420/294
Likewise, for the 2nd fraction, since 98 × 3 = 294,
1/98 = 1 × 3/98 × 3 = 3/294
Subtract the two like fractions:
420/294 - 3/294 = 420 - 3/294 = 417/294
After reducing the fraction, the answer is 139/98
In mixed form: 141/98

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