Add 12/54 and 45/40, Solve 12/54 + 1 5/40 as a fraction

Add 12/54 and 45/40

1^st number: 12/54, 2^nd number: 1 5/40

12/54 + 45/40 is 97/72.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 40 is 1080

Next, find the equivalent fraction of both fractional numbers with denominator 1080
For the 1st fraction, since 54 × 20 = 1080,
12/54 = 12 × 20/54 × 20 = 240/1080
Likewise, for the 2nd fraction, since 40 × 27 = 1080,
45/40 = 45 × 27/40 × 27 = 1215/1080
Add the two like fractions:
240/1080 + 1215/1080 = 240 + 1215/1080 = 1455/1080
1455/1080 simplified gives 97/72
So, 12/54 + 45/40 = 97/72
In mixed form: 125/72

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