Subtract 5/70 from 30/98, Solve 30/98

Subtract 5/70 from 30/98

30/98 - 5/70 is 23/98.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 70 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 98 × 5 = 490,
30/98 = 30 × 5/98 × 5 = 150/490
Likewise, for the 2nd fraction, since 70 × 7 = 490,
5/70 = 5 × 7/70 × 7 = 35/490
Subtract the two like fractions:
150/490 - 35/490 = 150 - 35/490 = 115/490
After reducing the fraction, the answer is 23/98

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