Add 3/12 and 80/45, Solve 3/12 + 1 35/45 as a fraction

Add 3/12 and 80/45

1^st number: 3/12, 2^nd number: 1 35/45

3/12 + 80/45 is 73/36.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 12 × 15 = 180,
3/12 = 3 × 15/12 × 15 = 45/180
Likewise, for the 2nd fraction, since 45 × 4 = 180,
80/45 = 80 × 4/45 × 4 = 320/180
Add the two like fractions:
45/180 + 320/180 = 45 + 320/180 = 365/180
365/180 simplified gives 73/36
So, 3/12 + 80/45 = 73/36
In mixed form: 21/36

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