Add 27/56 and 30/21, Solve 27/56 + 1 9/21 as a fraction

Add 27/56 and 30/21

1^st number: 27/56, 2^nd number: 1 9/21

27/56 + 30/21 is 107/56.

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,
27/56 = 27 × 3/56 × 3 = 81/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
30/21 = 30 × 8/21 × 8 = 240/168
Add the two like fractions:
81/168 + 240/168 = 81 + 240/168 = 321/168
321/168 simplified gives 107/56
So, 27/56 + 30/21 = 107/56
In mixed form: 151/56

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