Add 72/75 and 9/12
72/75 + 9/12 is 171/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 12 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
72/75 = 72 × 4/75 × 4 = 288/300 - Likewise, for the 2nd fraction, since 12 × 25 = 300,
9/12 = 9 × 25/12 × 25 = 225/300 - Add the two like fractions:
288/300 + 225/300 = 288 + 225/300 = 513/300 - 513/300 simplified gives 171/100
- So, 72/75 + 9/12 = 171/100
In mixed form: 171/100
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