Add 28/18 and 81/7, Solve 1 10/18 + 11 4/7 as a fraction

Add 28/18 and 81/7

1^st number: 1 10/18, 2^nd number: 11 4/7

28/18 + 81/7 is 827/63.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
28/18 = 28 × 7/18 × 7 = 196/126
Likewise, for the 2nd fraction, since 7 × 18 = 126,
81/7 = 81 × 18/7 × 18 = 1458/126
Add the two like fractions:
196/126 + 1458/126 = 196 + 1458/126 = 1654/126
1654/126 simplified gives 827/63
So, 28/18 + 81/7 = 827/63
In mixed form: 138/63

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