Add 21/98 and 54/42, Solve 21/98 + 1 12/42 as a fraction

Add 21/98 and 54/42

1^st number: 21/98, 2^nd number: 1 12/42

21/98 + 54/42 is 3/2.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 42 is 294

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 98 × 3 = 294,
21/98 = 21 × 3/98 × 3 = 63/294
Likewise, for the 2nd fraction, since 42 × 7 = 294,
54/42 = 54 × 7/42 × 7 = 378/294
Add the two like fractions:
63/294 + 378/294 = 63 + 378/294 = 441/294
441/294 simplified gives 3/2
So, 21/98 + 54/42 = 3/2
In mixed form: 11/2

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