2 1/12+ 7 5/6+2 1/5+4 10/11=
i cant seem to find the common denominator for this one!
2007-01-21 12:36:25 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
try the denominator of 660
i got the answer of 17 or i got 16 17/660
2007-01-21 12:47:18 · answer #1 · answered by Frankie 2 · 0⤊ 0⤋
2 1/12= 2 7 5/6=8 2 1/5=2 4 10/11=5
answer 2+2+8=5=17
2007-01-21 20:42:10 · answer #2 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
ESTIMATION - this is the single most important skill you can learn in elementary math.
2 1/12+ 7 5/6+2 1/5+4 10/11 can be estimated as:
2+8+2+5 = 17
2007-01-21 20:41:36 · answer #3 · answered by mjatthebeeb 3 · 0⤊ 0⤋
25/12 + 47/6 + 11/5 + 54/11
=25/12 + 94/12 + 121/55 + 270/55
=119/12 + 391/55
= 6545/660 + 4692/660
=11237/660
17 17/660
2007-01-21 20:42:00 · answer #4 · answered by VanessaM 3 · 0⤊ 0⤋