Q 1.
The least common multiple of 3 and 6 is 6.
Multiply each number until you have a common multiple.
3*2=6
6*1=6
Q 2.
45 out of 50 can be written as a fraction: 45/50
Divide the numerator by the denominator and you will get a decimal. Multiply the decimal by 100 and you will get the percent.
45 divided by 50 is equal to 0.9.
0.9 multiplied by 100 is equal to 90.
So, the percent is 90%
Q 3.
5/6 multiplied by two is equal to 10/6
5/6 multiplied by two can be written as 5/6 + 5/6 which is 10/6
It can also be written as 5/6 multiplied by 2/1 which is also 10/6
Just remember to multiply the numerators leaving the denominators the same.
Q 4.
3 - 1/3
You can also write this as 3/3 - 1/3
Subtract the numerators which is equal to 2.
Leave the denominators the same.
So, the answer is 2/3
Q 5.
1.234 multiplied by 100 is equal to 123.4
You have to shift the decimal 2 to the right when you multiply decimals by 100.
Hope it helps