Add 81/50 and 45/12, Solve 1 31/50 + 3 9/12 as a fraction

Add 81/50 and 45/12

1^st number: 1 31/50, 2^nd number: 3 9/12

81/50 + 45/12 is 537/100.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 12 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 50 × 6 = 300,
81/50 = 81 × 6/50 × 6 = 486/300
Likewise, for the 2nd fraction, since 12 × 25 = 300,
45/12 = 45 × 25/12 × 25 = 1125/300
Add the two like fractions:
486/300 + 1125/300 = 486 + 1125/300 = 1611/300
1611/300 simplified gives 537/100
So, 81/50 + 45/12 = 537/100
In mixed form: 537/100

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