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Write thus:
3/1 x 3/10
Then multiply across:
3 x 3 = 9
1 x 10 = 10
Which gives the answer of 9 over 10 (9/10)
9/10 × 2/3 = 3/5
3*100/10 =30
8/9 * 3/10 = 4/15
(60 x 3)/10 = 180/10 = 18
10 oer 21 times 3:= 10/21 * 3= 30/21= 10/7 in fraction= 1.43 in decimal
3 over forty
5.40 multiplied by 10/3 is 18
0.208333
10.8
5/9 x 3/10 is 1/6
10
0.001875 or 3/1600