This module is an exercise destinated to people having already learned the addition of rational numbers with different denominators.

Here we ask the inverse problem: given a rational number $r$, we want to decompose $r$ into a sum of two or more rational numbers, the latter having

We guarantee that each question asked has at least one solution. In general, the solution of this kind of question is not unique. And any good solution will be recognized by the software.

Choose the level of difficulty which suites you:- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8

A higher number correspond to a higher level of difficulty.

There is also a detailed menu to parametrize this exercise:

Detailed menu The most recent versionPlease take note that WIMS pages are interactively generated; they are not ordinary HTML files. They must be used interactively ONLINE. It is useless for you to gather them through a robot program.

- Description: split a fraction into sum of fractions with smaller denominators. serveur web interactif avec des cours en ligne, des exercices interactifs en sciences et langues pour l'enseigment primaire, secondaire et universitaire, des calculatrices et traceurs en ligne
- Keywords: math, interactif, exercice,qcm,cours,classe,biologie,chimie,langue,interactive mathematics, interactive math, server side interactivity,exercise,qcm,class, algebra, arithmetic, rational_number, fraction