Simplify
(i) 2.987 – 1.25 – 0.54
(ii) 52.9 – 231.666 + 204
(iii) 8.57 – 6.4432 – 1.70 + 0.683

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Solution

(i) 2.987 – 1.25 – 0.54
To simplify 2.987 – 1.25 – 0.54
Convert the decimals into like decimal numbers
Like decimals are 2.987, 1.250 and 0.540
= 2.987 – 1.250 – 0.540
= 1.737 – 0.540
= 1.197
Therefore, the simplification of the given expression is 1.197

(ii) 52.9 – 231.666 + 204
To simplify 52.9 – 231.666 + 204
Convert the decimals into like decimal numbers
Like decimals are 52.900, 231.666 and 204.000
= 52.900 – 231.666 + 204.000
= 256.900 – 231.666
= 25.234
Therefore, the simplification of the given expression is 25.234

(iii) 8.57 – 6.4432 – 1.70 + 0.683
To simplify 8.57 – 6.4432 – 1.70 + 0.683
Convert the decimals into like decimal numbers
Like decimals are 8.5700, 6.4432, 1.7000 and 0.6830
= 8.5700 – 6.4432 – 1.7000 + 0.6830
= 9.253 – 8.1432
= 1.1098
Therefore, the simplification of the given expression is 1.1098.

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Simplify (i) 2.987 – 1.25 – 0.54 (ii) 52.9 – 231.666 + 204 (iii) 8.57 – 6.4432 – 1.70 + 0.683

Simplify
(i) 2.987 – 1.25 – 0.54
(ii) 52.9 – 231.666 + 204
(iii) 8.57 – 6.4432 – 1.70 + 0.683