Add 90/14 and 75/27, Solve 6 6/14 + 2 21/27 as a fraction

Add 90/14 and 75/27

1^st number: 6 6/14, 2^nd number: 2 21/27

90/14 + 75/27 is 580/63.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 27 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 14 × 27 = 378,
90/14 = 90 × 27/14 × 27 = 2430/378
Likewise, for the 2nd fraction, since 27 × 14 = 378,
75/27 = 75 × 14/27 × 14 = 1050/378
Add the two like fractions:
2430/378 + 1050/378 = 2430 + 1050/378 = 3480/378
3480/378 simplified gives 580/63
So, 90/14 + 75/27 = 580/63
In mixed form: 913/63

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