Add 18/12 and 9/35, Solve 1 6/12 + 9/35 as a fraction

Add 18/12 and 9/35

1^st number: 1 6/12, 2^nd number: 9/35

18/12 + 9/35 is 123/70.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 12 × 35 = 420,
18/12 = 18 × 35/12 × 35 = 630/420
Likewise, for the 2nd fraction, since 35 × 12 = 420,
9/35 = 9 × 12/35 × 12 = 108/420
Add the two like fractions:
630/420 + 108/420 = 630 + 108/420 = 738/420
738/420 simplified gives 123/70
So, 18/12 + 9/35 = 123/70
In mixed form: 153/70

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