Tolong ya 1.)1per4+6per8= 2.)4per9+2per6= 3.)3per4-3per5=dikurang. Tolong yA

1.) 1/4+1/6= 3/12+2/12= 5/12
2.) 4/9+2/6= 8/18+6/18= 14/18= 7/9
3.) 3/4-3/5= 15/20-12/20= 3/20

maaf kalo salah

1.) 1/4 + 6/8 = 2/8 + 6/8 = 8/8 = 1
2.)4/9 + 2/6 = 8/18 + 6/18 = 14/18 = 7/9
3.) 3/4 – 3/5 = 15/20 – 12/20 = 3/20
cara disamakan terlebih dahulu penyebutnya