Add 25/42 and 45/18, Solve 25/42 + 2 9/18 as a fraction

Add 25/42 and 45/18

1^st number: 25/42, 2^nd number: 2 9/18

25/42 + 45/18 is 65/21.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 42 × 3 = 126,
25/42 = 25 × 3/42 × 3 = 75/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
45/18 = 45 × 7/18 × 7 = 315/126
Add the two like fractions:
75/126 + 315/126 = 75 + 315/126 = 390/126
390/126 simplified gives 65/21
So, 25/42 + 45/18 = 65/21
In mixed form: 32/21

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