Question

If 21.671bar can be written as p/q , where p and q are co-prime integers and q ≠ 0, then (p – q) equals

Answer 1

Answer:

Numbers can be broken down into prime factors using prime factor trees. When the prime factors of two numbers are known, they can be compared to calculate HCFs and LCMs. This can be a more efficient method than listing the factors and multiples of large numbers.