PLEASE ANSWER ITS URGENT
Q1 Add -5/9 and 7/18
Q2 Subtract -4/11 from -2
Q3 Evaluate -12/5 × 10/-3
Q4 Evaluate (7/8 × 24/21)+(-5/9×6/-25)
Q5 By what rational number should we multiply 20/9 so that the product may be -5/9
a) -1/3
b) -1/4
c) 1/4
Answers
Answered by
1
Answer:
1)-0.16
2)-1.63
3)8
d)0.86666666666
Step-by-step explanation:
-0.16
Answered by
3
Step-by-step explanation:
1==>> -5/9+ 7/18
=> -5×2+7×1/18
=> -10+7/18
=> -3/18
,. => -1/6 ans
2. -2 -(-4/11)
=> 2+4/11
=> 2×11+4×1/11
=> 22+4/11
=> 26/11
3. -12/5 × 10/-3
= >-120/-15
=> 120/15
=> 8
4 (7/8×24/21)+(-5/9×6/-25)
=> {1/1 ×1/1} + (-1/3 ×2/-5)
=> 1+ 2/15
=> 15×1+2×1 /15
=> 15+2/15
=> 17/15
Similar questions