Rule for Multiplication of Fractions Thaum muab cov feem ntau sib npaug, tsuas muab cov zauv ua ke thiab mam li muab cov denominators ua ke. Simplify qhov tshwm sim. Qhov no ua haujlwm txawm tias cov denominators zoo ib yam lossis tsis. Yog tias koj muab cov feem ntau 3/2 thiab 4/3 ua ke, koj tau 12/6.
Yuav ua li cas koj muab feem feem uas tsis muaj tib tus lej?
Ua ntej koj muab cov zauv, ces koj muab cov zauv, txawm tias lawv tsis zoo ib yam. Thaum kawg, saib koj feem thiab txiav txim siab seb nws puas nyob hauv nws daim ntawv yooj yim tshaj plaws. Yog tias tsis yog, koj yuav tsum nrhiav tus lej tus lej los faib ob tus lej thiab tus lej los ntawm txhawm rau ua kom koj cov lej yooj yim.
Yuav ua li cas yog tus denominator tsis zoo ib yam?
Yog cov denominators tsis zoo ib yam, ces koj yuav tsum tau siv sib npaug feem uas muaj ib tug sib denominator. Txhawm rau ua qhov no, koj yuav tsum nrhiav qhov tsawg tshaj plaws ntau yam (LCM) ntawm ob tus lej. Txhawm rau ntxiv cov feem nrog tsis zoo li tus lej, hloov npe cov feem nrog ib tus lej. Tom qab ntawd ntxiv thiab ua kom yooj yim.
Vim li cas cov denominators tsis muab ua ke?
Tus tus denominator yuav nyob tib yam vim qhov loj ntawm cov khoom sib npaug tsis hloov thaum koj muab ob feem ua ke. … Nco ntsoov, tus denominator tsis hloov vim qhov ntau thiab tsawg ntawm cov khoom nyob ib yam. Koj tsuas yog suav cov lej tag nrho ntawm ob feem.
Koj hu dab tsi feem ntau nrog cov lej sib txawv?
Unlike fractions: Fractions with different denominators are called, tsis zoo li feem ntau.
