Add 28/56 and 60/21, Solve 28/56 + 2 18/21 as a fraction

Add 28/56 and 60/21

1^st number: 28/56, 2^nd number: 2 18/21

28/56 + 60/21 is 47/14.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 21 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 56 × 3 = 168,
28/56 = 28 × 3/56 × 3 = 84/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
60/21 = 60 × 8/21 × 8 = 480/168
Add the two like fractions:
84/168 + 480/168 = 84 + 480/168 = 564/168
564/168 simplified gives 47/14
So, 28/56 + 60/21 = 47/14
In mixed form: 35/14

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