What is minus one sixth plus two fifths

What is minus one sixth plus two fifths

=-5 / 30 + 12 / 30
=12-5 out of 30
=7 out of 30

1-x △ five sixths equals three fifths
It's Fang Cheng

1-x÷5/6=3/5
x÷5/6=1-3/5
x÷5/6=2/5
x=2/5×5/6
X = 1 / 3 & nbsp; (1 / 3)

If a divided by B equals 6, then the greatest common factor? The least common multiple?

If a divided by B equals 6, then the greatest common factor B and the least common multiple are a

A and B are coprime numbers, and their greatest common factor is______ The least common multiple is______ ．

Because a and B are coprime numbers, their greatest common factor is 1 and their least common multiple is ab

456 + 299 simple algorithm
How simple is it

456+299
=455 + 1 + 299
=455 + 300
=755