Add 18/20 and 40/75
18/20 + 40/75 is 43/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
18/20 = 18 × 15/20 × 15 = 270/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
40/75 = 40 × 4/75 × 4 = 160/300 - Add the two like fractions:
270/300 + 160/300 = 270 + 160/300 = 430/300 - 430/300 simplified gives 43/30
- So, 18/20 + 40/75 = 43/30
In mixed form: 113/30
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