Subtract 18/98 from 42/5, Solve 8 2/5

Subtract 18/98 from 42/5

1^st number: 8 2/5, 2^nd number: 18/98

42/5 - 18/98 is 2013/245.

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,
42/5 = 42 × 98/5 × 98 = 4116/490
Likewise, for the 2nd fraction, since 98 × 5 = 490,
18/98 = 18 × 5/98 × 5 = 90/490
Subtract the two like fractions:
4116/490 - 90/490 = 4116 - 90/490 = 4026/490
After reducing the fraction, the answer is 2013/245
In mixed form: 853/245

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