Add 54/14 and 98/12, Solve 3 12/14 + 8 2/12 as a fraction

Add 54/14 and 98/12

1^st number: 3 12/14, 2^nd number: 8 2/12

54/14 + 98/12 is 505/42.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 14 × 6 = 84,
54/14 = 54 × 6/14 × 6 = 324/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
98/12 = 98 × 7/12 × 7 = 686/84
Add the two like fractions:
324/84 + 686/84 = 324 + 686/84 = 1010/84
1010/84 simplified gives 505/42
So, 54/14 + 98/12 = 505/42
In mixed form: 121/42

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