Question

हल कीजिए :
$(a)\dfrac{2}{3}+\dfrac{1}{7} b)\dfrac{3}{10}+\dfrac{7}{15} c) \dfrac{4}{9}+\dfrac{2}{7} d) \dfrac{5}{7}+\dfrac{1}{3} e)\dfrac{2}{5}+\dfrac{1}{6} f)\dfrac{4}{5}+\dfrac{2}{3} g)\dfrac{3}{4}-\dfrac{1}{3}h)\dfrac{5}{6}-\dfrac{1}{3} i)\dfrac{2}{3}+\dfrac{3}{4}+\dfrac{1}{2} j)\dfrac{1}{2}+\dfrac{1}{3}+\dfrac{1}{6} k)1\dfrac{1}{3}+3\dfrac{2}{3} l)4\dfrac{2}{3}+3\dfrac{1}{4} m)\dfrac{16}{5}-\dfrac{7}{5} n)\dfrac{4}{3}-\dfrac{1}{2}$

Answer 1

हल किया : 17/21  ,  23/30 ,  46/63 , 22/21

Step-by-step explanation:

a) 2/3  + 1/7

= 14/21   + 3/21

= (14 + 3)/21

= 17/21

b) 3/10  + 7/15

= 9/30  + 14/30

= 23/30

c) 4/9 + 2/7

= 28/63  + 18/63

= 46/63

d)  5/7  + 1/3

= 15/21 + 7/21

= 22/21

e)  2/5  + 1/6

= 12/30  + 5/30

= 17/30

f)  4/5  + 2/3

= 12/15 + 10/15

= 22/15

g)   3/4 - 1/3

= 9/12 - 4/12

= 5/12

h) 5/6 - 1/3

= 5/6  - 2/6

= 3/6

= 1/2

i)  2/3 + 3/4  + 1/2

= 8/12  + 9/12  + 6/12

= 23/12

j) 1/2 + 1/3  + 1/6

= 3/6  + 2/6  + 1/6

= 6/6

= 1

k)  1 1/3  + 3 2/3

= 4/3 + 11/3

= 15/3

= 5

l)  4 2/3  + 3 1/4

= 14/3 + 13/4

= 56/12  + 39/12

= 95/12

m)  16/5  - 7/5

= 9/5

n)  4/3 - 1/2

= 8/6  - 3/6

= 5/6

और अधिक जानें

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