Add 8/18 and 30/40
8/18 + 30/40 is 43/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
8/18 = 8 × 20/18 × 20 = 160/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
30/40 = 30 × 9/40 × 9 = 270/360 - Add the two like fractions:
160/360 + 270/360 = 160 + 270/360 = 430/360 - 430/360 simplified gives 43/36
- So, 8/18 + 30/40 = 43/36
In mixed form: 17/36
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