Question

hola ayuda para hoy ;) doy cronista si esq me responden​

Answer 1

1
a) 15/18+14/18+24/18 = 53/18
b) 15/18+14/18-24/18 = 2/18 = 1/9
c) 10/15+11/15-3/15 = 18/15 = 6/5
d) 40/60+24/60-30/60-6/60 = 28/60 = 14/30 = 7/15


2
a) 39/42 = 13/14
b) 44/21
c) 30/4 = 15/2
d) 4/18 = 2/9

3
a) 6/7*21/8 = 126/56 = 63/28 = 9/4
b) 42/5: (-17/4) = -168/20 = -84/10 = -42/5
c) 21/36+16/60= 105/180+38/180 = 143/180 =
d) 8/12+14/30 = 40/60+28/60 = 68/60 = 34/30 = 17/15
e) 15/18+14/18*8/6-3/6 = 29/18*5/6 = 145/108
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