If you subtract 1/2 from a number and multiply the result by 1/2, you get 1/8. What is the number?

By Ritesh|Updated : November 11th, 2022

If you subtract 1/2 from a number and multiply the result by 1/2, you get 1/8. The number is 3/4. Steps to calculate the Subtraction and Multiplication of fractions:

Step 1: Form the given equation

Let the number be x.

According to the question,

(x - ½) ½ = ⅛

Step 2: Solve for x

When we evaluate this equation, we obtain,

(x - ½) ½ = ⅛

x - 1/2 = 2/8

In simplification we get the:

(2x - 1)/2 = 2/8

2x - 1 = 4/8

2x - 1 = ½

On rearranging we get:

2x = 1 + ½

2x = 3/2

x = ¾

Therefore, the required number is 3/4

Subtraction of fractions

Depending on the sorts of fractions provided, subtraction of fractions is possible. The next is how to accomplish this.

  • If the given fractions are similar fractions, keep the denominator the same and subtract the numerators. To obtain the answer, first, try to simplify the fraction.
  • Convert the given fractions into like fractions and then proceed as before if they are unlike fractions.

Multiplication tricks

Single-digit number multiplication is a simple task. However, multiplying numbers with two or more digits can be challenging and time-consuming. Here are a few tips for multiplication that students might keep in mind while determining the final result.

  • Any order can be used to multiply numbers.
  • Simply place the number of zeros equal to multiples of 10 next to the multiplier when multiplying a number by multiples of 10.
  • When multiplying three integers, multiply the smaller numbers first for speed of calculation before multiplying the third number.
  • If there are two or three digits in the multiplication, write them in the expanded form before multiplying.
  • Observe the sign guidelines listed in the preceding section.

Summary:

If you subtract 1/2 from a number and multiply the result by 1/2, you get 1/8. What is the number?

If you subtract 1/2 from a number and multiply the result by 1/2, you get 1/8. The number is ¾. Subtraction indicates the operation of removing objects from a collection.

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