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Chapter 1: Q18. (page 16)

The simplified form of 715-215.

Short Answer

Expert verified

The simplified form of 715-215 is 13.

Step by step solution

01

Step 1. Given.

The statement 鈥�715-215.鈥�

02

Step 2. Concept.

When two or more fractions with the same denominators are added or subtracted then only numerators are added or subtracted, the denominator remains unchanged.

03

Step 3. Calculation.

Consider the provided statement 鈥�715-215.鈥�

Recall that when two fractions having the same denominator are subtracted then only numerators are subtracted, the denominator remains unchanged.

So, the given expression can be simplified as,

715-215=7-215

715-215=515

04

Step 4. Recheck.

Now, 5 can be written as the product of 5 and 1.

15 can be written as the product of 5 and 3.

So, 515can be further simplified as,

515=5脳15脳3

Striking off the common terms, we get,

515=13

Hence, the simplified form of 715-215is 13.

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