Add 18/45 and 18/7, Solve 18/45 + 2 4/7 as a fraction

Add 18/45 and 18/7

1^st number: 18/45, 2^nd number: 2 4/7

18/45 + 18/7 is 104/35.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 45 × 7 = 315,
18/45 = 18 × 7/45 × 7 = 126/315
Likewise, for the 2nd fraction, since 7 × 45 = 315,
18/7 = 18 × 45/7 × 45 = 810/315
Add the two like fractions:
126/315 + 810/315 = 126 + 810/315 = 936/315
936/315 simplified gives 104/35
So, 18/45 + 18/7 = 104/35
In mixed form: 234/35

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