Add 27/70 and 12/9, Solve 27/70 + 1 3/9 as a fraction

Add 27/70 and 12/9

1^st number: 27/70, 2^nd number: 1 3/9

27/70 + 12/9 is 361/210.

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

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
27/70 = 27 × 9/70 × 9 = 243/630
Likewise, for the 2nd fraction, since 9 × 70 = 630,
12/9 = 12 × 70/9 × 70 = 840/630
Add the two like fractions:
243/630 + 840/630 = 243 + 840/630 = 1083/630
1083/630 simplified gives 361/210
So, 27/70 + 12/9 = 361/210
In mixed form: 1151/210

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