Subtract 4/98 from 2/5, Solve 2/5

Subtract 4/98 from 2/5

2/5 - 4/98 is 88/245.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 98 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 5 × 98 = 490,
2/5 = 2 × 98/5 × 98 = 196/490
Likewise, for the 2nd fraction, since 98 × 5 = 490,
4/98 = 4 × 5/98 × 5 = 20/490
Subtract the two like fractions:
196/490 - 20/490 = 196 - 20/490 = 176/490
After reducing the fraction, the answer is 88/245

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