Question

1. Add.
4
(a)
+
7
(d)
5
+
2.
3
+
5
(b)
+
14 116 215
2
(e)
7
8
6
+
3
1
7
(c)
1
+
+
10 5
12
+
33 11
(f)
+
4
10
3
2. Subtract.
1
2.
(a)
1
3 0
NIC
(d)​

Answer 1

Given :- Add :-

(a) 7/3 + 3/2

(b) 3/4 + 2/5

Subtract :-

(a) 7/8 - 3/4

(b) 5/8 - 1/2

Solution :-

Add :-

a) 7/3 + 3/2

→ 7/3 + 3/2

→ (7*2 + 3*3) /6

→ (14 + 9)/6

→ (23/6)

→ 3(5/6)

b) 3/4 + 2/5

→ 3/4 + 2/5

→ (3 * 5 + 2 * 4)/20

→ (15 + 8)/20

→ (23/20)

→ 1(3/20)

Subtract :-

a) 7/8 - 3/4

→ (7 - 3*2)/8

→ (7 - 6)/8

→ (1/8)

b) 5/8 - 1/2

→ 5/8 - 1/2

→ (5 - 1*4)/8

→ (5 - 4)/8

→ (1/8)

Learn more :-

(3) निम्न के स्थानीय मान लिखिये-

(अ)43.24

(स)884.20

(ब) 534.34

(द) 178.34

https://brainly.in/question/37666224