English

Evaluate: 9/-16 + (-5/-12) - Mathematics

Advertisements
Advertisements

Question

Evaluate: `9/-16 + (-5/-12)`

Sum

Solution

`9/-16 + (-5/-12)`

`= 9/-16 + (5/12)`

2 16, 12
2 8, 6
2 4, 3
2 2, 3
3 1, 3
  1, 1








 


L.C.M. of 16 and 12 = 2 × 2 × 2 × 2 × 3 = 48


`=> (9 xx 3)/(16 xx 3) + (5 xx 4)/(12 xx 4)`
(∵ L.C.M. of 16 and 12 = 48)


`=> (- 27 + 20)/48 = -7/48`

shaalaa.com
Concept for Problem Solving Using Operations on Rational Numbers
  Is there an error in this question or solution?
Chapter 2: Rational Numbers - Exercise 2 (E)

APPEARS IN

Selina Concise Mathematics [English] Class 7 ICSE
Chapter 2 Rational Numbers
Exercise 2 (E) | Q 1.04
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×