Add 98/21 and 63/12, Solve 4 14/21 + 5 3/12 as a fraction

Add 98/21 and 63/12

1^st number: 4 14/21, 2^nd number: 5 3/12

98/21 + 63/12 is 119/12.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 12 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 21 × 4 = 84,
98/21 = 98 × 4/21 × 4 = 392/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
63/12 = 63 × 7/12 × 7 = 441/84
Add the two like fractions:
392/84 + 441/84 = 392 + 441/84 = 833/84
833/84 simplified gives 119/12
So, 98/21 + 63/12 = 119/12
In mixed form: 911/12

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