Add 27/9 and 45/70, Solve 3 0/9 + 45/70 as a fraction

Add 27/9 and 45/70

1^st number: 3 0/9, 2^nd number: 45/70

27/9 + 45/70 is 51/14.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 9 × 70 = 630,
27/9 = 27 × 70/9 × 70 = 1890/630
Likewise, for the 2nd fraction, since 70 × 9 = 630,
45/70 = 45 × 9/70 × 9 = 405/630
Add the two like fractions:
1890/630 + 405/630 = 1890 + 405/630 = 2295/630
2295/630 simplified gives 51/14
So, 27/9 + 45/70 = 51/14
In mixed form: 39/14

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