English

Evaluate: 3 5/12 + 1 2/3 - Mathematics

Advertisements
Advertisements

Question

Evaluate: `3 5/12 + 1 2/3`

Sum

Solution

`3 5/12 + 1 2/3`


`= (12 xx 3 + 5)/12 + (3 xx 1 + 2)/3`


`= 41/12 + 5/3`   (∵ L.C.M. of 12, 3 = 12)


`= (41 xx 1)/(12 xx 1) + (5 xx 4)/(3 xx 4)`


`= 41/12 + 20/12`


`= (41 + 20)/12 = 61/12 = 5 1/12`

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 (D)

APPEARS IN

Selina Concise Mathematics [English] Class 7 ICSE
Chapter 2 Rational Numbers
Exercise 2 (D) | Q 7.1
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×