Add 21/14 and 10/54, Solve 1 7/14 + 10/54 as a fraction

Add 21/14 and 10/54

1^st number: 1 7/14, 2^nd number: 10/54

21/14 + 10/54 is 91/54.

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,
21/14 = 21 × 27/14 × 27 = 567/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
10/54 = 10 × 7/54 × 7 = 70/378
Add the two like fractions:
567/378 + 70/378 = 567 + 70/378 = 637/378
637/378 simplified gives 91/54
So, 21/14 + 10/54 = 91/54
In mixed form: 137/54

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