find LCM of 9 and 4 with explanation
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6
Answer:
Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.
LCM of ( 4,9) is 36
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9
Step-by-step explanation:
- Find the prime factorization of 4
4 = 2 × 2
- Find the prime factorization of 9
9 = 3 × 3
- Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:
- LCM = 2 × 2 × 3 × 3
- LCM = 36
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