Add 18/16 and 21/27, Solve 1 2/16 + 21/27 as a fraction

Add 18/16 and 21/27

1^st number: 1 2/16, 2^nd number: 21/27

18/16 + 21/27 is 137/72.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 27 is 432

Next, find the equivalent fraction of both fractional numbers with denominator 432
For the 1st fraction, since 16 × 27 = 432,
18/16 = 18 × 27/16 × 27 = 486/432
Likewise, for the 2nd fraction, since 27 × 16 = 432,
21/27 = 21 × 16/27 × 16 = 336/432
Add the two like fractions:
486/432 + 336/432 = 486 + 336/432 = 822/432
822/432 simplified gives 137/72
So, 18/16 + 21/27 = 137/72
In mixed form: 165/72

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