Math
posted by kiki83 .
could someone please help me solve these two math problems? Which of the following numbers are integers? 2/13,570,0.096,670,33.3?
write in the lowest terms 2 1/4+4 1/7?

Integers are numbers without a decimal part or a fractional part.
4, 18, 34 are integers.
2/5, 3.14, 25.2, 14 1/2, are not.
When adding fractions, first add the integral part, then add the fractional part, carryover if necessary.
2 1/4 + 4 1/7
= 2+4 + 1/4+1/7
= 6 + (7+4)/28
=6 11/28
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