Вычислите: 14/27+2/27; 11/35+12/35; 17/60+12/60; 32/55+23/55; 5/33+6/33; 12/48+12/48; 8/99+91/99; 77/90+13/90. сложите дроби, полученную дробь сократите: 1/2+1/2+1/2+1/2; 1/3+2/3+1/3+5/3; 7/13+4/13+2/13; 1/96+5/96+11/96+31/96; 1/42+15/42+17/42+9/42; 19/78+53/78+37/78+21/78. сложите дроби: 1/2+1/3; 1/2+1/5; 1/3+1/4; 1/4+1/5; 1/2+1/4; 1/3+1/6; 1/2+1/6; 1/4+1/8. вычислите: 1/10+7/100; 21/100+1/10; 3/5+9/10; 2/3+5/6; 15/24+3/8; 7/6+16/18; 1/12+1/6; 1/2+3/10. я вас мне :

№ 1. 14/27 + 2/27 = 16/27;   11/35 + 12/35 = 23/35;   17/60 + 12/60 = 29/60;   32/55 +  23/55 = 55/55 = 1;   5/33 + 6/33 = 11/33 = 1/3;   12/48 + 12/48 = 24/48 = 1/2;   8/99 + 91/99 = 99/99 = 1;   77/90 + 13/90 = 90/90 = 1

№ 2. 1/2 + 1/2 + 1/2 + 1/2 = 4/2 = 2;   1/3 + 2/3 + 1/3 + 5/3 = 9/3 = 3;   7/13 + 4/13 + 2/13 = 13/13 = 1;   1/96 + 5/96 + 11/96 + 31/96 = 48/96 = 1/2;   1/42 + 15/42 + 17/42 + 9/42 = 42/42 = 1;   19/78 + 53/78 + 37/78 + 21/78 = 130/78 = 1 52/78 = 1 2/3

№ 3. 1/2 +1/3 = 3/6 + 2/6 = 5/6;   1/2 + 1/5 = 5/10 + 2/10 = 7/10 = 0,7;   1/3 + 1/4 = 4/12 + 3/12 = 7/12;   1/4 + 1/5 = 5/20 + 4/20 = 9/20;   1/2 + 1/4 = 2/4 + 1/4 = 3/4;   1/3 + 1/6 = 2/6 + 1/6 = 3/6 = 1/2;   1/2 + 1/6 = 3/6 + 1/6 = 4/6 = 2/3;    1/4 + 1/8 = 2/8 + 1/8 = 3/8

№ 4. 1/10 + 7/100 = 10/100 + 7/100 = 17/100 = 0,17;   21/100 + 1/10 = 21/100 + 10/100 =31/100 = 0,31;   3/5 + 9/10 = 6/10 + 9/10 = 15/10 = 1 5/10 = 1,5