I don't know, so I need common denominators to compare fractions. One has to go all the way to 60 here.
15*3/15*4
= 45/60
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4*13/4*15
= 52/60
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so, 13/15 > 3/4
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No. Convert to equivalent fractions with the same denominator and then compare numerators: 7/15 = (7×5)/(15×5) = 35/75 13/25 = (13×3)/(25×3) = 39/75 35 < 39 → 35/75 < 39/75 → 7/15 < 13/25.
(3/7)(10/13)(14/15)=(4/13).
10/13 × 26/15 = 4/3 or 11/3
They are the same. -6/26 = -3/13 -9/39 = -3/13
1/5 = 3/15 2/3 = 10/15 3/15 + 10/15 = 13/15