Add 30/12 and 45/28, Solve 2 6/12 + 1 17/28 as a fraction

Add 30/12 and 45/28

1^st number: 2 6/12, 2^nd number: 1 17/28

30/12 + 45/28 is 115/28.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
30/12 = 30 × 7/12 × 7 = 210/84
Likewise, for the 2nd fraction, since 28 × 3 = 84,
45/28 = 45 × 3/28 × 3 = 135/84
Add the two like fractions:
210/84 + 135/84 = 210 + 135/84 = 345/84
345/84 simplified gives 115/28
So, 30/12 + 45/28 = 115/28
In mixed form: 43/28

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