Question

Shubham spent 7/9 of his time​ in the morning studying maths and science. he spend 4/7 of his time studying maths. what fraction of the total time did he spent studying science?​

Answer 1

Step-by-step explanation:

Total time spend in studying maths and science=7/9

Time spend in studying maths = 4/7

time spend in studying science will be = total time spend in maths and science - time spend in maths

7/9-4/7

lcm of 7 and 9 is 63

_49__-__36__= 13/63

63

so,,, time spend in studying science is 13/63

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Answer 2

Time spent in studying maths and science - 7/9

Time spent in studying maths - 4/7

Then, time spent in studying science

= 7/9 - 4/7

= LCM of 9 and 7 is 63

So, 49 - 36 / 63 = 13/63

Ans - He spent 13/63 of his time in studying Science.