Add 84/21 and 28/98, Solve 4 0/21 + 28/98 as a fraction

Add 84/21 and 28/98

1^st number: 4 0/21, 2^nd number: 28/98

84/21 + 28/98 is 30/7.

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,
84/21 = 84 × 14/21 × 14 = 1176/294
Likewise, for the 2nd fraction, since 98 × 3 = 294,
28/98 = 28 × 3/98 × 3 = 84/294
Add the two like fractions:
1176/294 + 84/294 = 1176 + 84/294 = 1260/294
1260/294 simplified gives 30/7
So, 84/21 + 28/98 = 30/7
In mixed form: 42/7

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