Add 12/7 and 18/30, Solve 1 5/7 + 18/30 as a fraction

Add 12/7 and 18/30

1^st number: 1 5/7, 2^nd number: 18/30

12/7 + 18/30 is 81/35.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 7 × 30 = 210,
12/7 = 12 × 30/7 × 30 = 360/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
18/30 = 18 × 7/30 × 7 = 126/210
Add the two like fractions:
360/210 + 126/210 = 360 + 126/210 = 486/210
486/210 simplified gives 81/35
So, 12/7 + 18/30 = 81/35
In mixed form: 211/35

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