Subtract 21/98 from 7/6, Solve 1 1/6

Subtract 21/98 from 7/6

1^st number: 1 1/6, 2^nd number: 21/98

7/6 - 21/98 is 20/21.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 98 is 294

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 6 × 49 = 294,
7/6 = 7 × 49/6 × 49 = 343/294
Likewise, for the 2nd fraction, since 98 × 3 = 294,
21/98 = 21 × 3/98 × 3 = 63/294
Subtract the two like fractions:
343/294 - 63/294 = 343 - 63/294 = 280/294
After reducing the fraction, the answer is 20/21

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