Add 80/21 and 21/98, Solve 3 17/21 + 21/98 as a fraction

Add 80/21 and 21/98

1^st number: 3 17/21, 2^nd number: 21/98

80/21 + 21/98 is 169/42.

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,
80/21 = 80 × 14/21 × 14 = 1120/294
Likewise, for the 2nd fraction, since 98 × 3 = 294,
21/98 = 21 × 3/98 × 3 = 63/294
Add the two like fractions:
1120/294 + 63/294 = 1120 + 63/294 = 1183/294
1183/294 simplified gives 169/42
So, 80/21 + 21/98 = 169/42
In mixed form: 41/42

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