Question

Subtract the sum of 13/16 and 11/5 from 20.​

Answer 1

Step-by-step explanation:

it's very easy.

Sum of

13/ 16 + 11/5

first of all find the l.c.m. of the denominator that is 16 and 5.

so, the l.c.m. of 16 and 5 = 80

13 × 5 + 11 ×16

_________

80

65+ 176

_______

80

241

___ it's our sum.

80

.

According to question

subtract the sum from 20 . so,

20- 241 /80

20. 241

___. ― ____

1 80.

again find out the l.c.m.

l.c.m. will be 80 only.

20×80 ― 241×1

_________

80

1600 ― 241

_________

80

1359

_____ is your Answer .

80

hope it will help you

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Answer 2

Step-by-step explanation:

$\frac{13}{16} + \frac{11}{5} \\ = \frac{65 + 176}{80} \\ = \large {\boxed{\frac{241}{80} }} \\ \\ 20 - \frac{241}{80} \\ = \frac{1600 - 241}{80} \\ = \frac{1359}{80} \\ = \large {\boxed{ \underline{ \underline{16 \frac{79}{80} }}}}$