Solve Operations with Fractions and Decimals

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more numbers is the smallest number that is a multiple of each of the numbers.

Front

How do you find the LCM of 10 and 15?

Back

List the multiples of each number: Multiples of 10: 10, 20, 30, 40, ...; Multiples of 15: 15, 30, 45, ...; The LCM is 30.

Front

What is 13.5 ÷ 5?

Back

2.7

Front

How do you divide a decimal by a whole number?

Back

Move the decimal point in the dividend (the number being divided) to the right to make it a whole number, then divide as usual.

Front

What is 1.44 ÷ 0.4?

Back

3.6

Front

How do you divide a decimal by another decimal?

Back

Multiply both numbers by 10 for each decimal place in the divisor to make the divisor a whole number, then divide.

Front

What is 0.2 x 0.8?

Back

0.16

Front

How do you multiply decimals?

Back

Multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the product.

Front

What is rounding?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was.

Front

What is 34.78 rounded to the nearest whole number?

Back

35