Add 63/42 and 9/98, Solve 1 21/42 + 9/98 as a fraction

Add 63/42 and 9/98

1^st number: 1 21/42, 2^nd number: 9/98

63/42 + 9/98 is 78/49.

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

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 42 × 7 = 294,
63/42 = 63 × 7/42 × 7 = 441/294
Likewise, for the 2nd fraction, since 98 × 3 = 294,
9/98 = 9 × 3/98 × 3 = 27/294
Add the two like fractions:
441/294 + 27/294 = 441 + 27/294 = 468/294
468/294 simplified gives 78/49
So, 63/42 + 9/98 = 78/49
In mixed form: 129/49

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