Ronny read for 2.75 hours yesterday. His older brother read for 1.18 hours and his younger brother read for 0.43 hours.
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Um, ok I'm not entirely sure what number sets you need, but I'll do my best.
Integers: 5, -3, 0, 1, -12
Fractions: 1/2, 4 1/2
Decimals: 14.2, -19.4, 0.125
All of the above can also be considered Rational numbers. Rational numbers are numbers that can be expressed as a fraction. All For example, 14.2 is 14 1/5.
Irrational number:
Pi is irrational. It cannot be expressed as a fraction.