Add 54/12 and 18/7, Solve 4 6/12 + 2 4/7 as a fraction

Add 54/12 and 18/7

1^st number: 4 6/12, 2^nd number: 2 4/7

54/12 + 18/7 is 99/14.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
54/12 = 54 × 7/12 × 7 = 378/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
18/7 = 18 × 12/7 × 12 = 216/84
Add the two like fractions:
378/84 + 216/84 = 378 + 216/84 = 594/84
594/84 simplified gives 99/14
So, 54/12 + 18/7 = 99/14
In mixed form: 71/14

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