Add 80/14 and 63/54, Solve 5 10/14 + 1 9/54 as a fraction

Add 80/14 and 63/54

1^st number: 5 10/14, 2^nd number: 1 9/54

80/14 + 63/54 is 289/42.

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,
80/14 = 80 × 27/14 × 27 = 2160/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
63/54 = 63 × 7/54 × 7 = 441/378
Add the two like fractions:
2160/378 + 441/378 = 2160 + 441/378 = 2601/378
2601/378 simplified gives 289/42
So, 80/14 + 63/54 = 289/42
In mixed form: 637/42

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