Add 30/21 and 18/14, Solve 1 9/21 + 1 4/14 as a fraction

Add 30/21 and 18/14

1^st number: 1 9/21, 2^nd number: 1 4/14

30/21 + 18/14 is 19/7.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 21 × 2 = 42,
30/21 = 30 × 2/21 × 2 = 60/42
Likewise, for the 2nd fraction, since 14 × 3 = 42,
18/14 = 18 × 3/14 × 3 = 54/42
Add the two like fractions:
60/42 + 54/42 = 60 + 54/42 = 114/42
114/42 simplified gives 19/7
So, 30/21 + 18/14 = 19/7
In mixed form: 25/7

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