Subtract 42/6 from 30/98, Solve 30/98

Subtract 42/6 from 30/98

1^st number: 30/98, 2^nd number: 7 0/6

30/98 - 42/6 is -328/49.

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

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 98 × 3 = 294,
30/98 = 30 × 3/98 × 3 = 90/294
Likewise, for the 2nd fraction, since 6 × 49 = 294,
42/6 = 42 × 49/6 × 49 = 2058/294
Subtract the two like fractions:
90/294 - 2058/294 = 90 - 2058/294 = -1968/294
After reducing the fraction, the answer is -328/49

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