You can use these becuase it will tell the person that if its an equation or a mathematical problem or math sentence
Answer:
8
Step-by-step explanation:
5 + 6 + 12 + 7 + 8 + 10 + 8 = 56
number of value = 7
mean = 56 ÷ 7 = 8
Step-by-step explanation:
Say you have these 2 fractions

Cross multiply as following;

If in the end, both numerator and denominator are equal, then the fractions are equivalent.
Examples:
Example 1

Cross multiply

They're equivalent.
Example 2

Cross multiply

They're not equivalent.