Question

calcule: a) 1/3+2/5 b) 3/2-2/3 c) 2-7/6+3/4 d)7/2+2/3 e) 2/5+11/2+1/3 f) 3/4-5/6-1/2 g) 2+1/4

Answer 1

a) 1/3+2/5 = 5/15 + 6/15 = 11/15
b) 3/2-2/3 = 9/6  - 4/6   =  5/6
c) 2-7/6+3/4 =24/12-14/12+9/12= 19/12
d)7/2+2/3 = 21/6 + 4/6 = 25/6
e) 2/5+11/2+1/3 =   12/3+165/30+10/30 = 187/30
f) 3/4-5/6-1/2 = 9/12-10/12-6/12 = -7/12  g) 2+1/4  =  8/4 + 1/4 =  9/4