2/15
the reciprocal of seven over six is six over seven because a reciprocal is a normal fraction flipped.
Two and a half equals five halves so its reciprocal is 2/5 or two-fifths
2
The reciprocal of 12 and one half is one over 12 and one half, or simply, 1/12.5.
1/7
It is nine over seven.
The reciprocal of a fraction is basically the same fraction flip-flopped. So the numerator becomes the denominator, and the denominator becomes the denominator. So for seven over three, the reciprocal would be three over seven.
The reciprocal of two thirds is three halves - which is one and a half (1.5).
The reciprocal of a fraction is the same fraction flip-flopped. So the numerator becomes the denominator, and the denominator becomes the denominator. So for seven over thirty one, the reciprocal is thirty one over seven
The reciprocal of 7/10 is 1/(7/10) = 10/7
It is four sevenths.