Add 80/18 and 18/72, Solve 4 8/18 + 18/72 as a fraction

Add 80/18 and 18/72

1^st number: 4 8/18, 2^nd number: 18/72

80/18 + 18/72 is 169/36.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 18 × 4 = 72,
80/18 = 80 × 4/18 × 4 = 320/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72
Add the two like fractions:
320/72 + 18/72 = 320 + 18/72 = 338/72
338/72 simplified gives 169/36
So, 80/18 + 18/72 = 169/36
In mixed form: 425/36

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