Add 10/45 and 45/12, Solve 10/45 + 3 9/12 as a fraction

Add 10/45 and 45/12

1^st number: 10/45, 2^nd number: 3 9/12

10/45 + 45/12 is 143/36.

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

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 45 × 4 = 180,
10/45 = 10 × 4/45 × 4 = 40/180
Likewise, for the 2nd fraction, since 12 × 15 = 180,
45/12 = 45 × 15/12 × 15 = 675/180
Add the two like fractions:
40/180 + 675/180 = 40 + 675/180 = 715/180
715/180 simplified gives 143/36
So, 10/45 + 45/12 = 143/36
In mixed form: 335/36

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