42
1, 2, 3, 6 and 7 go into one or the other (or both).
Any multiple of 42.
48
6/7 * 2/2 = 6/7 here 6 has 3, 2s means 3*2 is 6 and that 3 * 2 is 6 the 7 is there the final answer is 6/7
45 ÷ 6 = 7 3/6 = 7½ = 7.5
7 can go into 45 - 6 times. 7 x 6 = 42. That leaves a remainder of 3.
no need for 3 as it already goes in to 6 so 5 6 7 go in to 210 210 = 5 x 42 = 6 x 35 = 7 x 30
42
1, 2, 3, 6 and 7 go into one or the other (or both).
7 and 5 are prime numbers, but 3*2=6
45/7 = 6 with remainder 3
42 is the LCM of 3, 6 and 7. All multiples of 42 are multiples of 3, 6 and 7
7 r.3/ remainder of 3
It will certainly go ito 7! = 1*2*3*4*5*6*7 = 5040, although that is not the smallest positive integer that they will go into.
Any multiple of 42.
48