Add 21/98 and 63/30, Solve 21/98 + 2 3/30 as a fraction

Add 21/98 and 63/30

1^st number: 21/98, 2^nd number: 2 3/30

21/98 + 63/30 is 81/35.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 30 is 1470

Next, find the equivalent fraction of both fractional numbers with denominator 1470
For the 1st fraction, since 98 × 15 = 1470,
21/98 = 21 × 15/98 × 15 = 315/1470
Likewise, for the 2nd fraction, since 30 × 49 = 1470,
63/30 = 63 × 49/30 × 49 = 3087/1470
Add the two like fractions:
315/1470 + 3087/1470 = 315 + 3087/1470 = 3402/1470
3402/1470 simplified gives 81/35
So, 21/98 + 63/30 = 81/35
In mixed form: 211/35

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