Add 3/18 and 49/21, Solve 3/18 + 2 7/21 as a fraction

Add 3/18 and 49/21

1^st number: 3/18, 2^nd number: 2 7/21

3/18 + 49/21 is 5/2.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 21 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
3/18 = 3 × 7/18 × 7 = 21/126
Likewise, for the 2nd fraction, since 21 × 6 = 126,
49/21 = 49 × 6/21 × 6 = 294/126
Add the two like fractions:
21/126 + 294/126 = 21 + 294/126 = 315/126
315/126 simplified gives 5/2
So, 3/18 + 49/21 = 5/2
In mixed form: 21/2

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