Tips And Tricks And Shortcuts Decimals And Fractions

August 30, 2019

Decimals and Fractions – Tips and Tricks and Shortcuts

Here, are quick and easy tips and tricks for you to solve Decimals and Fractions questions quickly, easily, and efficiently in competitive exams.

Tips and tricks to solve Decimals and Fractions questions

Convert Decimal to Fraction

Step 1: Write down the decimal divided by 1, in the form decimal/1

Step 2: Multiply both top and bottom by 10 for every number after the decimal point. (For example, if there are two numbers after the decimal point, then use 100, if there are three then use 1000)

Step 3: Simplify the fraction

For example, Convert 0.75 to a fraction.

Step 1:
0.75/1

Step 2:
Multiply both top and bottom by 100 as there are two digits after decimal point. We get 75/100

Step 3:
75/100 = 3/4

Type 1: Decimals and Fractions Tips and Tricks and Shortcuts. Find the greatest or smallest fraction

Question 1

Which of the following fraction is greater 4/5 and 2/7?
Options

1. 2/7
2. 4/5
3. both are equal
4. cannot be determined

Correct option: 2

Solution

4/5 = 0.8

2/7 = 0.28

It is clear that 4/5 is greater

Type 2: Tips and Tricks and Shortcuts for Decimals and Fractions-Simplification

Question 1

12.45 + 45.765 + 89.02 = ?
Options

1. 147.235
2. 156.76
3. 132.67
4. 124.00

Correct option: 1

Solution:

12.450 + 45.765 + 89.020

= 147.235