Add 21/98 and 18/12, Solve 21/98 + 1 6/12 as a fraction

Add 21/98 and 18/12

1^st number: 21/98, 2^nd number: 1 6/12

21/98 + 18/12 is 12/7.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 12 is 588

Next, find the equivalent fraction of both fractional numbers with denominator 588
For the 1st fraction, since 98 × 6 = 588,
21/98 = 21 × 6/98 × 6 = 126/588
Likewise, for the 2nd fraction, since 12 × 49 = 588,
18/12 = 18 × 49/12 × 49 = 882/588
Add the two like fractions:
126/588 + 882/588 = 126 + 882/588 = 1008/588
1008/588 simplified gives 12/7
So, 21/98 + 18/12 = 12/7
In mixed form: 15/7

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