Add 18/15 and 5/7, Solve 1 3/15 + 5/7 as a fraction

Add 18/15 and 5/7

1^st number: 1 3/15, 2^nd number: 5/7

18/15 + 5/7 is 67/35.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 15 × 7 = 105,
18/15 = 18 × 7/15 × 7 = 126/105
Likewise, for the 2nd fraction, since 7 × 15 = 105,
5/7 = 5 × 15/7 × 15 = 75/105
Add the two like fractions:
126/105 + 75/105 = 126 + 75/105 = 201/105
201/105 simplified gives 67/35
So, 18/15 + 5/7 = 67/35
In mixed form: 132/35

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