Add 14/21 and 45/4, Solve 14/21 + 11 1/4 as a fraction

Add 14/21 and 45/4

1^st number: 14/21, 2^nd number: 11 1/4

14/21 + 45/4 is 143/12.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 21 × 4 = 84,
14/21 = 14 × 4/21 × 4 = 56/84
Likewise, for the 2nd fraction, since 4 × 21 = 84,
45/4 = 45 × 21/4 × 21 = 945/84
Add the two like fractions:
56/84 + 945/84 = 56 + 945/84 = 1001/84
1001/84 simplified gives 143/12
So, 14/21 + 45/4 = 143/12
In mixed form: 1111/12

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