0.5 is equal to 5/10 (just how it is read, "five tenths"). Now we just need to simplify 5/10 into its most simplified form. Both the numerator and denominator are divisible by 5, so we simplify: 5/10 = 1/2.
Fractional notation is also a dsp term. For a 16 bit dsp, it uses 16 bits to represent the numbers -1 to +1. 0.5 in fractional notation for a 16 bit dsp is 0x4000.
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write 18.575 in fractional notation
The fractional notation of 19.525 = 781/40
Fractional notation for 6.5 is 13/2
7.2 in fractional notation = 36/5
The fractional notation for 5.15 is 103/20