To add/subtract fractions you need to have a common denominator...
(2/2)(4n/15)+(5/5)(n/6)
8n/30+5n/30
(8n+5n)/30
13n/30
Answer:
66n-31m
Step-by-step explanation:
26n-7m+4(10n-6m)
26n-7m+40n-24m
66n-31m
72 people. Multiply 8 times one and a half, and then by six.
Answer:
20
Step-by-step explanation:
80% of 25 is 20, even if you put it into a calculator
Answer:
=13x+12
Step-by-step explanation:
