Add 45/12 and 7/75, Solve 3 9/12 + 7/75 as a fraction

Add 45/12 and 7/75

1^st number: 3 9/12, 2^nd number: 7/75

45/12 + 7/75 is 1153/300.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 75 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 12 × 25 = 300,
45/12 = 45 × 25/12 × 25 = 1125/300
Likewise, for the 2nd fraction, since 75 × 4 = 300,
7/75 = 7 × 4/75 × 4 = 28/300
Add the two like fractions:
1125/300 + 28/300 = 1125 + 28/300 = 1153/300
So, 45/12 + 7/75 = 1153/300
In mixed form: 3253/300

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