Add 72/21 and 72/98, Solve 3 9/21 + 72/98 as a fraction

Add 72/21 and 72/98

1^st number: 3 9/21, 2^nd number: 72/98

72/21 + 72/98 is 204/49.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 98 is 294

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 21 × 14 = 294,
72/21 = 72 × 14/21 × 14 = 1008/294
Likewise, for the 2nd fraction, since 98 × 3 = 294,
72/98 = 72 × 3/98 × 3 = 216/294
Add the two like fractions:
1008/294 + 216/294 = 1008 + 216/294 = 1224/294
1224/294 simplified gives 204/49
So, 72/21 + 72/98 = 204/49
In mixed form: 48/49

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