Add 27/42 and 90/45, Solve 27/42 + 2 0/45 as a fraction

Add 27/42 and 90/45

1^st number: 27/42, 2^nd number: 2 0/45

27/42 + 90/45 is 37/14.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 42 × 15 = 630,
27/42 = 27 × 15/42 × 15 = 405/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
90/45 = 90 × 14/45 × 14 = 1260/630
Add the two like fractions:
405/630 + 1260/630 = 405 + 1260/630 = 1665/630
1665/630 simplified gives 37/14
So, 27/42 + 90/45 = 37/14
In mixed form: 29/14

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