Add 12/30 and 98/21, Solve 12/30 + 4 14/21 as a fraction

Add 12/30 and 98/21

1^st number: 12/30, 2^nd number: 4 14/21

12/30 + 98/21 is 76/15.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
12/30 = 12 × 7/30 × 7 = 84/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
98/21 = 98 × 10/21 × 10 = 980/210
Add the two like fractions:
84/210 + 980/210 = 84 + 980/210 = 1064/210
1064/210 simplified gives 76/15
So, 12/30 + 98/21 = 76/15
In mixed form: 51/15

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