Add 98/8 and 9/21, Solve 12 2/8 + 9/21 as a fraction

Add 98/8 and 9/21

1^st number: 12 2/8, 2^nd number: 9/21

98/8 + 9/21 is 355/28.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 21 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
98/8 = 98 × 21/8 × 21 = 2058/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
9/21 = 9 × 8/21 × 8 = 72/168
Add the two like fractions:
2058/168 + 72/168 = 2058 + 72/168 = 2130/168
2130/168 simplified gives 355/28
So, 98/8 + 9/21 = 355/28
In mixed form: 1219/28

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