Question

DAU COROANA!
Calculati
a)4/5 + 8/15
b)1/4+5/7
c)1/3+1/5
d)2/7+3/8
e)7/25+4/10
f)13/18+5/12
g)7/18+2/15
h)5/6+3/4

Answer 1

a)4/5 + 8/15 = 12/15 + 8/15 = 20/15 = 4/3
b)1/4+5/7 = 7/28 + 20/28 = 27/28
c)1/3+1/5 = 5/15 + 3/15 = 8/15
d)2/7+3/8 = 16/56 + 21/56 = 37/56
e)7/25+4/10 = 70/210 + 100/250 = 170/210 = 17/21
f)13/18+5/12 = 156/216 + 90/216 = 246/216 = 123/108
g)7/18+2/15 = 105/216 + 36/216=141/216
h)5/6+3/4 = 20/24 + 18/24 = 38/24 =  19/12