Add 7/28 and 84/18, Solve 7/28 + 4 12/18 as a fraction

Add 7/28 and 84/18

1^st number: 7/28, 2^nd number: 4 12/18

7/28 + 84/18 is 59/12.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 28 × 9 = 252,
7/28 = 7 × 9/28 × 9 = 63/252
Likewise, for the 2nd fraction, since 18 × 14 = 252,
84/18 = 84 × 14/18 × 14 = 1176/252
Add the two like fractions:
63/252 + 1176/252 = 63 + 1176/252 = 1239/252
1239/252 simplified gives 59/12
So, 7/28 + 84/18 = 59/12
In mixed form: 411/12

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