Add 54/12 and 90/25, Solve 4 6/12 + 3 15/25 as a fraction

Add 54/12 and 90/25

1^st number: 4 6/12, 2^nd number: 3 15/25

54/12 + 90/25 is 81/10.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 12 × 25 = 300,
54/12 = 54 × 25/12 × 25 = 1350/300
Likewise, for the 2nd fraction, since 25 × 12 = 300,
90/25 = 90 × 12/25 × 12 = 1080/300
Add the two like fractions:
1350/300 + 1080/300 = 1350 + 1080/300 = 2430/300
2430/300 simplified gives 81/10
So, 54/12 + 90/25 = 81/10
In mixed form: 81/10

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