Add 12/56 and 24/21, Solve 12/56 + 1 3/21 as a fraction

Add 12/56 and 24/21

1^st number: 12/56, 2^nd number: 1 3/21

12/56 + 24/21 is 19/14.

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,
12/56 = 12 × 3/56 × 3 = 36/168
Likewise, for the 2nd fraction, since 21 × 8 = 168,
24/21 = 24 × 8/21 × 8 = 192/168
Add the two like fractions:
36/168 + 192/168 = 36 + 192/168 = 228/168
228/168 simplified gives 19/14
So, 12/56 + 24/21 = 19/14
In mixed form: 15/14

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