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15 over 21 simplifies to 5 over 7. To simplify, both the numerator (15) and denominator (21) can be divided by their greatest common factor, which is 3.
1 ¼ dozens is equivalent to 15 reams of paper. If 15 reams are used, there would be 21 reams left in the drawer (36 - 15 = 21).
It is estimated that up to 18 million people died in World War I, including both military personnel and civilians.
An US table spoon is 15 mL; an US teaspoon is 5 mL. 1 tablespoon is 3 teaspoon.So 63 teaspoons is the equivalent of 21 teaspoons.
Kouhei is 15 years old in the anime "Moon Phase".
There are 24 ounces in 1.5 pounds.21 oz. Is 1.5 lbsNO!1 lb = 16 oz so 1.5 pounds = 24 oz