Add 54/42 and 12/49, Solve 1 12/42 + 12/49 as a fraction

Add 54/42 and 12/49

1^st number: 1 12/42, 2^nd number: 12/49

54/42 + 12/49 is 75/49.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 42 × 7 = 294,
54/42 = 54 × 7/42 × 7 = 378/294
Likewise, for the 2nd fraction, since 49 × 6 = 294,
12/49 = 12 × 6/49 × 6 = 72/294
Add the two like fractions:
378/294 + 72/294 = 378 + 72/294 = 450/294
450/294 simplified gives 75/49
So, 54/42 + 12/49 = 75/49
In mixed form: 126/49

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