/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q 186. Add or Subtract Fraction.a-25-18... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 1: Q 186. (page 53)

Add or Subtract Fraction.

a-25-18b-25路18

Short Answer

Expert verified

Part (a) The value of -25-18is -2140.

Part (b) The value of localid="1645592980753" -25路18is -120.

Step by step solution

01

Part (a) Step 1. Given information

Consider the expression.

a-25-18

02

Part (a) Step 2. Determine the operation.

The operation is subtraction.

03

Part (a) Step 3. Determine the whether the given fraction has the same denominator.

The given fraction does not have the same denominator.

So, find the least common denominator of 5and 8.

localid="1644388740223" 5=5路18=8路1鈬�LCM=5路8鈬�LCM=40

04

Part (a) Step 4. Multiply the numerator and denominator of each fraction by a factor to get the denominator 40.

-25-18=-2路85路8-1路58路5=-1640-540

05

Part (a) Step 5. Apply the Fraction Subtraction rule:ac-bc=a-bc, where c≠0.

-25-18=-16-540=-2140

Thus, the value is -2140.

06

Part (b) Step 1. Now, consider the fraction.b-25·18Determine the operation.

The operation is multiplication.

07

Part (b) Step 2. Apply the Fraction Multiplication Formula:ab·cd=acbd, where b≠0 and d≠0.

-25路18=-25路2路4=-120

Hence, the value is -120.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Lauren has dimes and nickels in her purse. The number of dimes is three more than seven times the number of nickels. Let n represent the number of nickels. Write an expression for the number of dimes.

In the following exercises, find the least common multiple of each pair of numbers using the prime factors method.

8, 12

Evaluate: 3x2鈭�2xy+6y2 when x=1,y=鈭�2.

In the following exercises, simplify each expression.

2+86+1

In the following exercises, Perform the indicated operation, 6x25梅9y20
See all solutions

Recommended explanations on Math Textbooks

Applied Mathematics

Read Explanation

Geometry

Read Explanation

Theoretical and Mathematical Physics

Read Explanation

Mechanics Maths

Read Explanation

Calculus

Read Explanation

Probability and Statistics

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.