Add 4/70 and 18/4, Solve 4/70 + 4 2/4 as a fraction

Add 4/70 and 18/4

1^st number: 4/70, 2^nd number: 4 2/4

4/70 + 18/4 is 319/70.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140

Next, find the equivalent fraction of both fractional numbers with denominator 140
For the 1st fraction, since 70 × 2 = 140,
4/70 = 4 × 2/70 × 2 = 8/140
Likewise, for the 2nd fraction, since 4 × 35 = 140,
18/4 = 18 × 35/4 × 35 = 630/140
Add the two like fractions:
8/140 + 630/140 = 8 + 630/140 = 638/140
638/140 simplified gives 319/70
So, 4/70 + 18/4 = 319/70
In mixed form: 439/70

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