Add 30/70 and 54/18, Solve 30/70 + 3 0/18 as a fraction

Add 30/70 and 54/18

1^st number: 30/70, 2^nd number: 3 0/18

30/70 + 54/18 is 24/7.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
30/70 = 30 × 9/70 × 9 = 270/630
Likewise, for the 2nd fraction, since 18 × 35 = 630,
54/18 = 54 × 35/18 × 35 = 1890/630
Add the two like fractions:
270/630 + 1890/630 = 270 + 1890/630 = 2160/630
2160/630 simplified gives 24/7
So, 30/70 + 54/18 = 24/7
In mixed form: 33/7

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