Add 21/18 and 56/14, Solve 1 3/18 + 4 0/14 as a fraction

Add 21/18 and 56/14

1^st number: 1 3/18, 2^nd number: 4 0/14

21/18 + 56/14 is 31/6.

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,
56/14 = 56 × 9/14 × 9 = 504/126
Add the two like fractions:
147/126 + 504/126 = 147 + 504/126 = 651/126
651/126 simplified gives 31/6
So, 21/18 + 56/14 = 31/6
In mixed form: 51/6

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