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### Primary 4 Problem Sums/Word Problems - Try FREE

- Fractions: Just a taste of what's to come! > Fractions Exercise 15 > 3
- Attempting as Guest
- Attempt Mode: Attempt Single Question

**Score :**

(Single Attempt)

**Question
**

John's mass is 30 kg more than Mary's mass.

If their total mass is 156 kg, express Mary's mass as a fraction of John's mass.

Notes to students:

*If your answer to the above is a fraction, given that the answer is `a/b`, type your answer as a/b*

The correct answer is :

**21/31**