Answer:
C
Step-by-step explanation:
2/3=14/21 and 5/7=15/21 so 14/21+15/21=29/21 or 1 and 8/21
order of operations
BEMDAS:
B - <em>Brackets</em>
E - <em>Exponents</em>
D - <em>Division</em>
M - <em>Multiplication</em>
A - <em>Addition</em>
S - <em>Subtraction</em>
73 • 7 - 5 = 511 - 5 = 506
<u>LCM on 539 and 15 :</u>
539 x 15
= 8 085
Answer : 8 085
