Add 3/42 and 81/25, Solve 3/42 + 3 6/25 as a fraction

Add 3/42 and 81/25

1^st number: 3/42, 2^nd number: 3 6/25

3/42 + 81/25 is 1159/350.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 42 × 25 = 1050,
3/42 = 3 × 25/42 × 25 = 75/1050
Likewise, for the 2nd fraction, since 25 × 42 = 1050,
81/25 = 81 × 42/25 × 42 = 3402/1050
Add the two like fractions:
75/1050 + 3402/1050 = 75 + 3402/1050 = 3477/1050
3477/1050 simplified gives 1159/350
So, 3/42 + 81/25 = 1159/350
In mixed form: 3109/350

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