Add 20/70 and 75/18, Solve 20/70 + 4 3/18 as a fraction

Add 20/70 and 75/18

1^st number: 20/70, 2^nd number: 4 3/18

20/70 + 75/18 is 187/42.

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,
20/70 = 20 × 9/70 × 9 = 180/630
Likewise, for the 2nd fraction, since 18 × 35 = 630,
75/18 = 75 × 35/18 × 35 = 2625/630
Add the two like fractions:
180/630 + 2625/630 = 180 + 2625/630 = 2805/630
2805/630 simplified gives 187/42
So, 20/70 + 75/18 = 187/42
In mixed form: 419/42

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