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Fast Math - Randomized Fraction Addition

In this quiz the answers change every time you play! Solve these randomised addition of fractions problems as fast as you can!

FORMAT: JetPunk only recognises A-Z and 0-9, so you can't input fractions directly. Simply input TOP followed by BOTTOM in the fraction's simplest form. I.e. if the answer is 3/6, simplify to 1/2 and type either "12", "1 2", "1/2" etc...
Answer must correspond to highlighted box!
Quiz by Stewart
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Last updated: January 16, 2019
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First submittedJanuary 15, 2019
Times taken7,479
Average score50.0%
Rating4.90
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Problem
Solution
8/9
+
6/10
67/45
4/7
+
1/8
39/56
1/2
+
3/7
13/14
2/12
+
2/10
11/30
1/8
+
10/11
91/88
Problem
Solution
6/10
+
2/7
31/35
3/12
+
2/8
1/2
3/4
+
4/12
13/12
2/4
+
1/12
7/12
5/9
+
5/8
85/72
Problem
Solution
8/10
+
1/3
17/15
3/11
+
3/11
6/11
7/10
+
9/10
8/5
1/4
+
4/10
13/20
1/8
+
6/8
7/8
Problem
Solution
1/9
+
4/8
11/18
5/11
+
4/6
37/33
6/10
+
6/12
11/10
1/3
+
1/7
10/21
1/3
+
5/10
5/6
scambigol
+2
Level 76
Jan 16, 2019
Great! There was a mistake in one of my questions: 1/12 + 9/11 =55/61
Stewart
+2
Level 68
Jan 16, 2019
Hmm, that's rather peculiar because I generated all these using Excel. I'll look into though
Stewart
+2
Level 68
Jan 16, 2019
I fixed it! Turns out the format for Fractions in excel was defaulting to two digit numbers as the Numerator and Denominator, thus anything with 3 digits would be rounded up or down. Hence the answer was adjusted slightly.

All fixed now though! Thanks for pointing it out :)

YTBRSosyalEmre
+1
Level 64
Mar 26, 2023
if you think this is hard, use this formula :

(a / b) + (c / d) = (ad + bc) / bd

coolboyAarav
+1
Level 37
Oct 7, 2023
You should use 1 instead of 1/1.
coolboyAarav
+1
Level 37
Oct 7, 2023
The inproper fractions should be change into mixed fractions: 9/8 can be 1 1/8.
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