Add 5/70 and 75/18, Solve 5/70 + 4 3/18 as a fraction

Add 5/70 and 75/18

1^st number: 5/70, 2^nd number: 4 3/18

5/70 + 75/18 is 89/21.

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,
5/70 = 5 × 9/70 × 9 = 45/630
Likewise, for the 2nd fraction, since 18 × 35 = 630,
75/18 = 75 × 35/18 × 35 = 2625/630
Add the two like fractions:
45/630 + 2625/630 = 45 + 2625/630 = 2670/630
2670/630 simplified gives 89/21
So, 5/70 + 75/18 = 89/21
In mixed form: 45/21

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