Lamba mai ma'ana

Lamba mai ma'ana lamba ce da za a iya bayyana shi azaman juzu'i tare da maƙallan lamba da ingantacciyar maƙasudin lamba. Ana ba da izinin maƙasudi mara kyau, amma yawanci ana nisantar su, saboda kowane lamba na hankali daidai yake da juzu'i mai ƙima mai kyau. An rubuta ɓangarorin a matsayin lamba biyu, mai ƙididdigewa da ƙididdigewa, tare da sandar rarraba tsakanin su. Kashi na

yana wakiltar m sassa na gaba ɗaya zuwa kashi n daidai sassa. Bangare biyu daban-daban na iya yin daidai da lamba ta hankali ɗaya; misali
kuma

2

/

4

daidai suke, wato:

1

2

=

2

4

.

{\displaystyle {1 \ sama da 2} = {2 \ sama da 4}.}

Gabaɗaya,

a

b

=

c

d

{\displaystyle {a \over b}={c \over d}} idan kuma idan kawai 

a

×

d

=

c

×

b

.

{\displaystyle {a\times d}={c\times b}.}

Idan cikakkiyar ƙimar m ta fi n girma (wanda ake zaton ya zama tabbatacce), to cikakkiyar ƙimar juzu'in ta fi 1. Ƙimar juzu'i na iya zama mafi girma, ƙasa da, ko daidai da 1 kuma yana iya zama tabbatacce, korau. ko 0. Saitin duk lambobi masu ma'ana sun haɗa da lambobi tunda kowane lamba ana iya rubuta shi azaman juzu'i tare da ma'ana 1. Misali -7 ana iya rubutawa ⁠ .

-7/1

. Alamar lambobi masu ma'ana ita ce Q (don ƙididdiga), kuma an rubuta Q