Add 21/98 and 81/25, Solve 21/98 + 3 6/25 as a fraction

Add 21/98 and 81/25

1^st number: 21/98, 2^nd number: 3 6/25

21/98 + 81/25 is 1209/350.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 25 is 2450

Next, find the equivalent fraction of both fractional numbers with denominator 2450
For the 1st fraction, since 98 × 25 = 2450,
21/98 = 21 × 25/98 × 25 = 525/2450
Likewise, for the 2nd fraction, since 25 × 98 = 2450,
81/25 = 81 × 98/25 × 98 = 7938/2450
Add the two like fractions:
525/2450 + 7938/2450 = 525 + 7938/2450 = 8463/2450
8463/2450 simplified gives 1209/350
So, 21/98 + 81/25 = 1209/350
In mixed form: 3159/350

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