Add 90/21 and 21/98, Solve 4 6/21 + 21/98 as a fraction

Add 90/21 and 21/98

1^st number: 4 6/21, 2^nd number: 21/98

90/21 + 21/98 is 9/2.

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,
90/21 = 90 × 14/21 × 14 = 1260/294
Likewise, for the 2nd fraction, since 98 × 3 = 294,
21/98 = 21 × 3/98 × 3 = 63/294
Add the two like fractions:
1260/294 + 63/294 = 1260 + 63/294 = 1323/294
1323/294 simplified gives 9/2
So, 90/21 + 21/98 = 9/2
In mixed form: 41/2

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