Question
Simplify and express as a fraction in simplest form:
0.75 + 0.4 − 0.125Solution
Convert to fractions: 0.75 = 75/100 = 3/4 0.4 = 40/100 = 2/5 0.125 = 125/1000 = 1/8 Expression: 3/4 + 2/5 − 1/8 LCM of 4, 5, 8 is 40. 3/4 = 30/40 2/5 = 16/40 1/8 = 5/40 So: 30/40 + 16/40 − 5/40 = (30 + 16 − 5)/40 = 41/40 Answer: 41/40.
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