First we convert each fraction into like fraction. 2/9 = (2 x 7)/(9 x 7) = 14/63. 2/3 = (2 x 21)/(3 x 21) = 42/63. 8/21 = (8 x 2)/(21 x 3) = 24/63. If denominators are same, then, greater the ...

Porvair Sciences has announced a complete storage solution for HPLC fractions comprising its 2ml round deep well microplate and high integrity cap mat seals. The revolutionary design of the 2ml deep ...

Many children never master fractions. When asked whether 12/13 + 7/8 was closest to 1, 2, 19, or 21, only 24% of a nationally representative sample of more than 20,000 US 8th graders answered ...