TO ADD FRACTIONS.
Reduce the fractions to like denominators, add their numerators and
write the denominator under the result.
_Example_. Add 2/3 to 3/4.
2/3 = 8/12, 3/4 = 9/12, 8/12 + 9/12 = 17/12 = 1-5/12. Ans.
Barkham Burroughs' Encyclopaedia of Astounding Facts and Useful Information, 1889 · 第 216 / 239 题