2007-05-25 10:27:27 · 5 answers · asked by iv_push29 2 in Science & Mathematics ➔ Mathematics
Change the mixed numbers to improper fractions.
21/4 divided by 16/7 Invert the second fraction and multiply.
21/4 * 7/16 = 147/64 = 2 19/64
2007-05-25 10:33:18 · answer #1 · answered by ecolink 7 · 0⤊ 0⤋
5 1/4 divided by 2 2/7 make both fractions into improper fractions
21/4 divided by 16/7 use the reciprocal of the second number to divide
21/4 divided by 7/16 times the fractions now
147/64 simplify
2 19/64
2007-05-25 17:35:15 · answer #2 · answered by mariaFB 3 · 0⤊ 0⤋
21/4 divided by 16/7
21/4 *7/16=147/64= 2 19/64
2007-05-25 20:36:32 · answer #3 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
= (21 / 4) / (16 / 7)
= (21 / 4 ) x (7 / 16)
= 147 / 64
2007-05-26 06:37:23 · answer #4 · answered by Como 7 · 0⤊ 0⤋
2.3
2007-05-25 17:30:28 · answer #5 · answered by khorat k 6 · 0⤊ 0⤋