Subtract 2/98 from 21/5, Solve 4 1/5

Subtract 2/98 from 21/5

1^st number: 4 1/5, 2^nd number: 2/98

21/5 - 2/98 is 1024/245.

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,
21/5 = 21 × 98/5 × 98 = 2058/490
Likewise, for the 2nd fraction, since 98 × 5 = 490,
2/98 = 2 × 5/98 × 5 = 10/490
Subtract the two like fractions:
2058/490 - 10/490 = 2058 - 10/490 = 2048/490
After reducing the fraction, the answer is 1024/245
In mixed form: 444/245

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