Add 21/3 and 45/56, Solve 7 0/3 + 45/56 as a fraction

Add 21/3 and 45/56

1^st number: 7 0/3, 2^nd number: 45/56

21/3 + 45/56 is 437/56.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 56 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 3 × 56 = 168,
21/3 = 21 × 56/3 × 56 = 1176/168
Likewise, for the 2nd fraction, since 56 × 3 = 168,
45/56 = 45 × 3/56 × 3 = 135/168
Add the two like fractions:
1176/168 + 135/168 = 1176 + 135/168 = 1311/168
1311/168 simplified gives 437/56
So, 21/3 + 45/56 = 437/56
In mixed form: 745/56

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