Add 21/6 and 35/28, Solve 3 3/6 + 1 7/28 as a fraction

Add 21/6 and 35/28

1^st number: 3 3/6, 2^nd number: 1 7/28

21/6 + 35/28 is 19/4.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 28 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 6 × 14 = 84,
21/6 = 21 × 14/6 × 14 = 294/84
Likewise, for the 2nd fraction, since 28 × 3 = 84,
35/28 = 35 × 3/28 × 3 = 105/84
Add the two like fractions:
294/84 + 105/84 = 294 + 105/84 = 399/84
399/84 simplified gives 19/4
So, 21/6 + 35/28 = 19/4
In mixed form: 43/4

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