Confidence votes 978. The range of 60-70 decibels sound pressure level is about as loud as normal conversation in 1 meter distance. The distance from the ears to the sound source is very important to the value of the SPL.
A fraction (from Latin fractus, broken) represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain size there are, for example, one-half, eight-fifths, three-quarters.
a whole number (opposed to fraction), 1570s, from Latin integer (adj.) whole, complete, figuratively, untainted, upright, literally untouched, from in-not (see in-(1)) + root of tangere to touch (see tangent).