Add 60/21 and 9/14, Solve 2 18/21 + 9/14 as a fraction

Add 60/21 and 9/14

1^st number: 2 18/21, 2^nd number: 9/14

60/21 + 9/14 is 7/2.

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,
60/21 = 60 × 2/21 × 2 = 120/42
Likewise, for the 2nd fraction, since 14 × 3 = 42,
9/14 = 9 × 3/14 × 3 = 27/42
Add the two like fractions:
120/42 + 27/42 = 120 + 27/42 = 147/42
147/42 simplified gives 7/2
So, 60/21 + 9/14 = 7/2
In mixed form: 31/2

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