Add 21/4 and 42/14, Solve 5 1/4 + 3 0/14 as a fraction

Add 21/4 and 42/14

1^st number: 5 1/4, 2^nd number: 3 0/14

21/4 + 42/14 is 33/4.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 14 is 28

Next, find the equivalent fraction of both fractional numbers with denominator 28
For the 1st fraction, since 4 × 7 = 28,
21/4 = 21 × 7/4 × 7 = 147/28
Likewise, for the 2nd fraction, since 14 × 2 = 28,
42/14 = 42 × 2/14 × 2 = 84/28
Add the two like fractions:
147/28 + 84/28 = 147 + 84/28 = 231/28
231/28 simplified gives 33/4
So, 21/4 + 42/14 = 33/4
In mixed form: 81/4

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