1.

Fill in the missing fraction(a) 7/10 - .... = 3/10(b) ... - 3/21 = 5/21(c) .... - 3/6 = 3/6(d) .... + 5/27 = 12/27

Answer»

(a) 7/10 - .... = 3/10

..... = 7/10 - 3/10 = (7 - 3)/10 

= 4/10 = 2/5

(b) ... - 3/21 = 5/21

.... = 5/21 + 3/21 = (5 + 3)/21 

= 8/21

(c) .... - 3/6 = 3/6

.... = 3/6 + 3/6 = (3 + 3)/6 

= 6/6 = 1

(d) .... + 5/27 = 12/27

..... = 12/27 - 5/27 

= (12 - 5)/27 = 727


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