Add 15/70 and 36/27, Solve 15/70 + 1 9/27 as a fraction

Add 15/70 and 36/27

1^st number: 15/70, 2^nd number: 1 9/27

15/70 + 36/27 is 65/42.

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,
15/70 = 15 × 27/70 × 27 = 405/1890
Likewise, for the 2nd fraction, since 27 × 70 = 1890,
36/27 = 36 × 70/27 × 70 = 2520/1890
Add the two like fractions:
405/1890 + 2520/1890 = 405 + 2520/1890 = 2925/1890
2925/1890 simplified gives 65/42
So, 15/70 + 36/27 = 65/42
In mixed form: 123/42

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