<prompt> Ikiwa displaystylefracmn 15, displaystylefracpn 3, na displaystyle fracpq frac11 10, basi displaystylefracmq ni nini?  <response>: Tukizidisha mlingano wa kwanza, mlingano wa tatu, na mlingano wa mlingano wa pili, tunapata fracmncdotfracpqcdot fracnp 15cdot frac110cdotfrac13Rightarrow fracmq frac12. 