1

Problem

Calculate the result of \$8 6/40 − 6 4/30\$.

2

Step

Given Problem is

\$8 6/40 − 6 4/30\$

3

Step

Convert the the mixed fractions into improper fractions

\$326/40 - 184/30\$

4

Step

Now, take the LCM of the denominators

LCM of 40, 30 is 120

5

Step

Multiply the numerator and denominator of each fraction by a number so that they have the LCM as their new denominator

\$((326 times 30) - (184 times 40))/120\$

6

Step

Subtract the numerators and keep the denominator the same

\$(9780 - 7360)/120\$

7

Step

After subtracting we get

\$2420/120\$

8

Step

Simplify and convert the fraction into mixed fraction we get,

\$121/60\$ ⇒ \$2 1/60\$

9

Sumup

Please summarize steps

Choices

10

Choice-A

This is correct because the result of the subtraction is \$2 1/60\$

Correct \$2 1/60\$

11

Choice-B

This is incorrect because the result is not greater than 2; the actual result is \$2 1/60\$

Wrong \$3 2/60\$

12

Choice-C

This is incorrect. The actual result is \$2 1/60\$, as the numerator and denominator match the subtraction result

Wrong \$4 3/42\$

13

Choice-D

This is incorrect because the result is too large. The actual result is \$2 1/60\$

Wrong \$5 6/45\$

14

Answer

Option

A

15

Sumup

Please summarize choices