Ответ:
Пошаговое объяснение:
(а)7/10+1/10= 8/10 = 4/5
(б)7/12+1/4= 7/12 + 3/12 = 10/12 = 5/6
(в)1/5+2/15= 3/15 + 2/15 = 5/15 = 1/3
(г)5/6+1/9= 15/18 + 2/18 = 17/18
(д)2/9+1/12= 8/36 + 3/36 = 11/36
(е)7/24+1/60= 35/120 + 2/120 = 37/120
(ж)1/42-2/63=3/126 - 4/126 = -1/126
(з)5/12+3/20= 25/60 + 9/60 = 34/60 = 17/30
1)4/5
2)3/4
3)1/3
4)17/18
5)11/36
е)37/120
ж)1/126
з) 17/30
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Answers & Comments
Ответ:
Пошаговое объяснение:
(а)7/10+1/10= 8/10 = 4/5
(б)7/12+1/4= 7/12 + 3/12 = 10/12 = 5/6
(в)1/5+2/15= 3/15 + 2/15 = 5/15 = 1/3
(г)5/6+1/9= 15/18 + 2/18 = 17/18
(д)2/9+1/12= 8/36 + 3/36 = 11/36
(е)7/24+1/60= 35/120 + 2/120 = 37/120
(ж)1/42-2/63=3/126 - 4/126 = -1/126
(з)5/12+3/20= 25/60 + 9/60 = 34/60 = 17/30
Ответ:
1)4/5
2)3/4
3)1/3
4)17/18
5)11/36
е)37/120
ж)1/126
з) 17/30