Add 25/12 and 81/28, Solve 2 1/12 + 2 25/28 as a fraction

Add 25/12 and 81/28

1^st number: 2 1/12, 2^nd number: 2 25/28

25/12 + 81/28 is 209/42.

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,
25/12 = 25 × 7/12 × 7 = 175/84
Likewise, for the 2nd fraction, since 28 × 3 = 84,
81/28 = 81 × 3/28 × 3 = 243/84
Add the two like fractions:
175/84 + 243/84 = 175 + 243/84 = 418/84
418/84 simplified gives 209/42
So, 25/12 + 81/28 = 209/42
In mixed form: 441/42

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