Add 35/21 and 36/54, Solve 1 14/21 + 36/54 as a fraction

Add 35/21 and 36/54

1^st number: 1 14/21, 2^nd number: 36/54

35/21 + 36/54 is 7/3.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 21 × 18 = 378,
35/21 = 35 × 18/21 × 18 = 630/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
36/54 = 36 × 7/54 × 7 = 252/378
Add the two like fractions:
630/378 + 252/378 = 630 + 252/378 = 882/378
882/378 simplified gives 7/3
So, 35/21 + 36/54 = 7/3
In mixed form: 21/3

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