Add 45/14 and 9/54, Solve 3 3/14 + 9/54 as a fraction

Add 45/14 and 9/54

1^st number: 3 3/14, 2^nd number: 9/54

45/14 + 9/54 is 71/21.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 14 × 27 = 378,
45/14 = 45 × 27/14 × 27 = 1215/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
9/54 = 9 × 7/54 × 7 = 63/378
Add the two like fractions:
1215/378 + 63/378 = 1215 + 63/378 = 1278/378
1278/378 simplified gives 71/21
So, 45/14 + 9/54 = 71/21
In mixed form: 38/21

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