Add 20/14 and 21/9, Solve 1 6/14 + 2 3/9 as a fraction

Add 20/14 and 21/9

1^st number: 1 6/14, 2^nd number: 2 3/9

20/14 + 21/9 is 79/21.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
20/14 = 20 × 9/14 × 9 = 180/126
Likewise, for the 2nd fraction, since 9 × 14 = 126,
21/9 = 21 × 14/9 × 14 = 294/126
Add the two like fractions:
180/126 + 294/126 = 180 + 294/126 = 474/126
474/126 simplified gives 79/21
So, 20/14 + 21/9 = 79/21
In mixed form: 316/21

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