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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 taken7,393
Average score50.0%
Rating4.90
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Problem
Solution
3/8
+
1/10
19/40
3/6
+
1/8
5/8
3/9
+
9/11
38/33
1/7
+
1/3
10/21
3/8
+
4/10
31/40
Problem
Solution
4/6
+
3/12
11/12
2/9
+
2/11
40/99
1/5
+
6/8
19/20
1/5
+
2/8
9/20
8/11
+
6/12
27/22
Problem
Solution
7/11
+
2/10
46/55
4/7
+
5/7
9/7
8/12
+
1/6
5/6
4/10
+
3/5
1/1
6/12
+
5/12
11/12
Problem
Solution
6/9
+
8/12
4/3
3/4
+
5/12
7/6
2/9
+
3/7
41/63
1/8
+
1/9
17/72
1/5
+
4/10
3/5
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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