Add 15/18 and 25/7, Solve 15/18 + 3 4/7 as a fraction

Add 15/18 and 25/7

1^st number: 15/18, 2^nd number: 3 4/7

15/18 + 25/7 is 185/42.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
15/18 = 15 × 7/18 × 7 = 105/126
Likewise, for the 2nd fraction, since 7 × 18 = 126,
25/7 = 25 × 18/7 × 18 = 450/126
Add the two like fractions:
105/126 + 450/126 = 105 + 450/126 = 555/126
555/126 simplified gives 185/42
So, 15/18 + 25/7 = 185/42
In mixed form: 417/42

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