Add 21/18 and 10/14, Solve 1 3/18 + 10/14 as a fraction

Add 21/18 and 10/14

1^st number: 1 3/18, 2^nd number: 10/14

21/18 + 10/14 is 79/42.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
21/18 = 21 × 7/18 × 7 = 147/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
10/14 = 10 × 9/14 × 9 = 90/126
Add the two like fractions:
147/126 + 90/126 = 147 + 90/126 = 237/126
237/126 simplified gives 79/42
So, 21/18 + 10/14 = 79/42
In mixed form: 137/42

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