Add 18/20 and 72/75
18/20 + 72/75 is 93/50.
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,
72/75 = 72 × 4/75 × 4 = 288/300 - Add the two like fractions:
270/300 + 288/300 = 270 + 288/300 = 558/300 - 558/300 simplified gives 93/50
- So, 18/20 + 72/75 = 93/50
In mixed form: 143/50
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