Please Answer all the questions
Answers
Answer:
1) 1/4. 7) 2/3
2) 8/9. 8) 9/16
3) 6 9) 5/4
4) 2 10) 1/6
5) 3/2. 11) 1/5
6) 11/16. 12) 3/5
Step-by-step explanation:
1) 3/8 - ( 1/2 -3/8 )
LCM = 8
= 3/8 - ( 4-3/8 )
= 3/8 - 1/8
=. 3-1/8
=. 2/8
= 1/4
2) 1/6 + 1/2 × ( 2 - 2/3 )
LCM = 3
=. 1/6 + 1/2 × ( 6-2/3 )
=. 1/6 +1/2 × 4/3
LCM = 6
=. 1/6 + 3/6 × 4/3
=. 1+3/6 × 4/3
= 4/6 × 4/3
= 16/18
= 8/9
3) 4 × (1/2 + 2/8 ÷ 1/2)
LCM = 8
= 4 × ( 4/8 + 2/8 ÷ 1/2 )
=. 4 × ( 4+2/8 ÷ 1/2 )
=. 4 × (6/8 ÷ 1/2 )
= 4 × ( 6/8 × 2 )
= 4 × 6/4
= 6
4) 1/3 × ( 7 - 1 )
=. 1/3 × 6
= 2
5) 1 ÷ ( 1 ÷ ( 3 × 1/2 ) )
= 1÷ ( 1 ÷ ( 3/2 ) )
= 1 ÷ ( 1 × 2/3 )
= 1 ÷ 2/3
= 1 × 3/2
= 3/2
6) 1 - ( 1/2 + 2 × 1/8 )
LCM = 2
= 1 - ( 1/2 + 4/2 × 1/8 )
= 1- ( 1+4/2 × 1/8 )
= 1 - ( 5/2 × 1/8 )
= 1 - 5/16
LCM = 16
= 16-5/16
= 11/16
7) ( 1/3 +1 ) × 1/2 ÷ 7/7
LCM = 3
=. ( 1+3/3 ) × 1/2 ÷ 7/7
=. 4/3 × 1/2 ÷ 7/7
=. 2/3 ÷ 7/7
=. 2/3 × 7/7
=. 2/3
8) 2- 1/4 + 1/2 × 1/4
LCM = 4
=. 8/4 - 1/4 + 2/4 × 1/4
=. 8-1+2/4 × 1/4
=. 7+2/4 × 1/4
=. 9/4 × 1/4
=. 9/16
9) ( ( 4/2 - 1/2 ) +1 ) × 1/2
=. ( ( 4-1/2) +1 ) × 1/2
=. ( 3/2 +1 ) × 1/2
LCM = 2
=. 3+2/2 × 1/2
=. 5/2 × 1/2
=. 5/4
10). 4/6 - ( 2/3 - 1/6)
LCM = 6
=. 4/6 - ( 4-1/6 )
=. 4/6 - 3/6
=. 4-3/6
=. 1/6
11) ( 1 - 1/5 ) × 1/4
LCM = 5
=. ( 5-1/5 ) × 1/4
=. 4/5 × 1/4
=. 1/5
12) 3- ( 1/5 + 1 ÷ 1/2 )
LCM = 5
=. 3 - ( 1+5/5 ÷ 1/2 )
=. 3 - (. 6/5 ÷ 1/2 )
=. 3 - ( 6/5 × 2 )
=. 3 - ( 12/5 )
LCM = 5
=. 15-12/5
=. 3/5
I hope it help you
Thank you!