Add 30/70 and 28/27, Solve 30/70 + 1 1/27 as a fraction

Add 30/70 and 28/27

1^st number: 30/70, 2^nd number: 1 1/27

30/70 + 28/27 is 277/189.

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,
30/70 = 30 × 27/70 × 27 = 810/1890
Likewise, for the 2nd fraction, since 27 × 70 = 1890,
28/27 = 28 × 70/27 × 70 = 1960/1890
Add the two like fractions:
810/1890 + 1960/1890 = 810 + 1960/1890 = 2770/1890
2770/1890 simplified gives 277/189
So, 30/70 + 28/27 = 277/189
In mixed form: 188/189

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