Add 30/21 and 4/56, Solve 1 9/21 + 4/56 as a fraction

Add 30/21 and 4/56

1^st number: 1 9/21, 2^nd number: 4/56

30/21 + 4/56 is 3/2.

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

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 21 × 8 = 168,
30/21 = 30 × 8/21 × 8 = 240/168
Likewise, for the 2nd fraction, since 56 × 3 = 168,
4/56 = 4 × 3/56 × 3 = 12/168
Add the two like fractions:
240/168 + 12/168 = 240 + 12/168 = 252/168
252/168 simplified gives 3/2
So, 30/21 + 4/56 = 3/2
In mixed form: 11/2

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