First, you divide the numerator of 7/8 by the denominator. Now with the terminating decimal, you can multiply as usual by 3.
+1491 Think of multiplying fractions by whole numbers such as this one as simply multplying fractions by fractions.
Since 3 is a whole number, we can call it 3/1.
When we multiply (7/8) by (3/1) we only multiply the numerators (3 and 7) by each other and the denominators (8 and 1) by each other.
Here's a visual of what your work should look like:
(7) * (3) = 21
(8) * (1) = 8
Any other questions?! Just ask!
