👤

bsr compléter les fractions: 7/8 - 1/4 =..; 14/9 + 7/18 =..; 3/5 - 1/10 =..; 7/9 + 4/3 =..; 8/15 + 6/30 =..; 11/5 - 4/35 =..;

Répondre :

7/8-1/4=7/8-2/8=5/8
14/9+7/18=28/18+7/18=35/18
3/5-1/10=6/10-1/10=5/10
7/9+4/3=7/9+21/9=28/5
8/15+6/30=16/30+6/30=22/30
11/5-4/35=77/35-4/35=73/35