Add 27/12 and 90/35, Solve 2 3/12 + 2 20/35 as a fraction

Add 27/12 and 90/35

1^st number: 2 3/12, 2^nd number: 2 20/35

27/12 + 90/35 is 135/28.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 12 × 35 = 420,
27/12 = 27 × 35/12 × 35 = 945/420
Likewise, for the 2nd fraction, since 35 × 12 = 420,
90/35 = 90 × 12/35 × 12 = 1080/420
Add the two like fractions:
945/420 + 1080/420 = 945 + 1080/420 = 2025/420
2025/420 simplified gives 135/28
So, 27/12 + 90/35 = 135/28
In mixed form: 423/28

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