Mkt_NJM_BP_UPC

B. Basic Operations of Decimals and Fractions The following table shows some basic arithmetic operations of decimals. Addition Subtraction e.g. 2.08 3.42 5.5 + = e.g. 5.4 2.25 3.15 − = Multiplication Division e.g. 8.12 3.4 27.608  = e.g. 3.5 0.4 (3.5 10) (0.4 10) 35 4 8.75  =    =  = Example 4 Evaluate 2.5 3.6 1.5   . 2.5 3.6 1.5 9 1.5 (9 10) (1.5 10) 90 15 6   =  =    =  = The following table shows some basic arithmetic operations of fractions. Addition Subtraction e.g. 1 1 2 1 3 6 6 6 3 6 1 2 + = + = = e.g. 2 1 6 1 3 2 3 2 5 15 15 15 51 15 11 3 − = − = = Multiplication Division e.g. 1 1 10 1 3 3 15 3 15 2 9  =  = e.g. 5 2 5 9 27 9 27 2 5 6  =  = . 2.08 + 3.42 5.50 . 5.40 – 2.25 3.15 8.12 × 3.4 24 360 + 3 248 27.608  Multiply both the divisor and the dividend by 10 so that the divisor becomes a whole number. . 2.5 × 3.6 .7 50 + . 1 50 9.00 . 1 2 3 3 1 . 8.75 0.4 3.5.00 3 2 3 0 2 8 20 20 SAMPLE © Pearson Education Asia Limited 2020 All rights reserved; no part of this publication may be reproduced, photocopied, recorded or otherwise, without the prior written permission of Pearson.