2007-07-25 21:42:28 · 6 answers · asked by Valand M 1 in Science & Mathematics ➔ Mathematics
7 1/5 - 6 2/5 =
convert the mixed number to a improoper fraction
36/5 - 32/5 =
Subtract the numerator. The denominator remains the same
4/5
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2/5 + 2/4
The common denominator is 20
8/20 + 10/20 =
18/20
Simplify
9/10
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6/13 ÷ 6/12 =
Division is the inverse of multiplication
6/13 x 12/6 =
The 6 cancell
12/13
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2007-07-25 23:26:12 · answer #1 · answered by SAMUEL D 7 · 1⤊ 0⤋
7 1/5 minus 6 2/5=4/5
the sum of 2/5 and 2/4=9/10
divide 6/13 by 6/12=12/13
2007-07-26 05:34:12 · answer #2 · answered by Anonymous · 1⤊ 0⤋
7 1/5 - 6 2/5= 36/5-32/5 =4/5
2/5+2/4 =2/5 + 1/2=(4+5)/10=9/10
(6/13) / (6/12)= (6/13) * (12/6)= 12/13
2007-07-26 05:11:23 · answer #3 · answered by Anonymous · 1⤊ 0⤋
(i) 7 1/5 - 6 2/5 = 36/5 - 32/5 = (36 - 32)/5 = 4/5
(ii) 2/5 + 2/4 = (2*4 +2*5)/(5*4) = (8 + 10)/20 = 18/20 = 9/10
(iii) 6/13 divided by 6/12 = 6/13 * 12/6 = (6*12)/(13*6) = 12/13
2007-07-26 04:58:17 · answer #4 · answered by EsJay 1 · 2⤊ 0⤋
7 1/5-6 2/5=4/5
2/5+2/4=9/10
6/13 divided by 6/12=12/13
2007-07-26 04:47:49 · answer #5 · answered by babam11218716 1 · 2⤊ 1⤋
1)6 4/5
2)9/10
3) 31/34
2007-07-26 04:48:11 · answer #6 · answered by Phill 4 · 0⤊ 1⤋