Add 8/18 and 81/70, Solve 8/18 + 1 11/70 as a fraction

Add 8/18 and 81/70

1^st number: 8/18, 2^nd number: 1 11/70

8/18 + 81/70 is 1009/630.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 18 × 35 = 630,
8/18 = 8 × 35/18 × 35 = 280/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
81/70 = 81 × 9/70 × 9 = 729/630
Add the two like fractions:
280/630 + 729/630 = 280 + 729/630 = 1009/630
So, 8/18 + 81/70 = 1009/630
In mixed form: 1379/630

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