Add 81/70 and 6/27, Solve 1 11/70 + 6/27 as a fraction

Add 81/70 and 6/27

1^st number: 1 11/70, 2^nd number: 6/27

81/70 + 6/27 is 869/630.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 27 is 1890

Next, find the equivalent fraction of both fractional numbers with denominator 1890
For the 1st fraction, since 70 × 27 = 1890,
81/70 = 81 × 27/70 × 27 = 2187/1890
Likewise, for the 2nd fraction, since 27 × 70 = 1890,
6/27 = 6 × 70/27 × 70 = 420/1890
Add the two like fractions:
2187/1890 + 420/1890 = 2187 + 420/1890 = 2607/1890
2607/1890 simplified gives 869/630
So, 81/70 + 6/27 = 869/630
In mixed form: 1239/630

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