Add 20/6 and 21/56, Solve 3 2/6 + 21/56 as a fraction

Add 20/6 and 21/56

1^st number: 3 2/6, 2^nd number: 21/56

20/6 + 21/56 is 89/24.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 56 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 6 × 28 = 168,
20/6 = 20 × 28/6 × 28 = 560/168
Likewise, for the 2nd fraction, since 56 × 3 = 168,
21/56 = 21 × 3/56 × 3 = 63/168
Add the two like fractions:
560/168 + 63/168 = 560 + 63/168 = 623/168
623/168 simplified gives 89/24
So, 20/6 + 21/56 = 89/24
In mixed form: 317/24

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