Add 56/21 and 28/30, Solve 2 14/21 + 28/30 as a fraction

Add 56/21 and 28/30

1^st number: 2 14/21, 2^nd number: 28/30

56/21 + 28/30 is 18/5.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
56/21 = 56 × 10/21 × 10 = 560/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
28/30 = 28 × 7/30 × 7 = 196/210
Add the two like fractions:
560/210 + 196/210 = 560 + 196/210 = 756/210
756/210 simplified gives 18/5
So, 56/21 + 28/30 = 18/5
In mixed form: 33/5

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