10
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2/21
20, although if you reduced 15/20 to 3/4, the common denominator would be 4.
Yes, but that's not fully reduced. 3/4 x 16/9 = 48/36 = 4/3 or 1 and 1/3
3 x 1/2 = 3/2 or 6/4. If you're adding 7/4 and 3/4 to that, the answer is 16/4, which equals 4.
what is 5 over 12 minus 1 over 4 in simplest form