Add 5/21 and 98/5, Solve 5/21 + 19 3/5 as a fraction

Add 5/21 and 98/5

1^st number: 5/21, 2^nd number: 19 3/5

5/21 + 98/5 is 2083/105.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 5 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 21 × 5 = 105,
5/21 = 5 × 5/21 × 5 = 25/105
Likewise, for the 2nd fraction, since 5 × 21 = 105,
98/5 = 98 × 21/5 × 21 = 2058/105
Add the two like fractions:
25/105 + 2058/105 = 25 + 2058/105 = 2083/105
So, 5/21 + 98/5 = 2083/105
In mixed form: 1988/105

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