Common Percentages Flashcards
1/2 = ?
1/2 = 0.5 50%
1/3 = ?
1/3 = 0.333 33.3%
2/6 and 3/9 can be reduced to 1/3.
1/4 = ?
1/4 = 0.25 25%
1/5 = ?
1/5 = 0.2 20%
1/6 = ?
1/6 = 0.166 16.6%
1/7 = ?
1/7 = 0.1428 14.28%
1/8 = ?
1/8 = 0.125 12.5%
Aka 1/2 of 1/4
1/9 = ?
1/9 = 0.111 11.11%
1/10 = ?
1/10 = 0.1 10%
2/3 = ?
2/3 = 0.666 66.6%
Aka 1/3 multiplied by 2
2/5 = ?
2/5 = 0.4
Aka 1/5 multiplied by 2
3/4 = ?
3/4 = 0.75 75%
Aka 1/4 multiplied by 3
Aka 1 minus 1/4
3/5 = ?
3/5 = 0.6 60%
Aka 1/5 multiplied by 3
4/5 = ?
4/5 = 0.8 80%
Aka 1/5 multiplied by 4
Aka 1 minus 1/5
5/6 = ?
5/6 = 0.833
Aka 1 minus 1/6
2/4 = ?
2/4 = 1/2
= 0.5
= 50%
2/9 = ?
2/9 = 0.222 22.2%
Also equals 1/9 multiplied by 2.
3/9 = ?
3/9 = 0.333 33.3%
Also equals 1/9 multiplied by 3.
Also can be reduced to 1/3.
4/9 = ?
4/9 = 0.444 44.4%
Also equals 1/9 multiplied by 4.
5/9 = ?
5/9 = 0.555 55.5%
Also equals 1/9 multiplied by 5.
6/9 = ?
6/9 = 0.666 66.6%
Also equals 1/9 multiplied by 6.
Also equals 1/3 multiplied by 2.
7/9 = ?
7/9 = 0.777 77.7%
Also equals 1/9 multiplied by 7.
8/9 = ?
8/9 = 0.888 88.8%
Also equals 1/9 multiplied by 8.
2/8 = ?
2/8 = 1/4 = 0.25 25%
3/8 = ?
3/8 = 1/8 • 3
= 0.125 • 3
= 0.375
= 37.5%
4/8 = ?
4/8 = 1/2
= 0.5
= 50%
5/8 = ?
5/8 = 1/2 + 1/8
= 0.5 + 0.125
= 0.625
= 62.5%
2/7 = ?
2/7 = 0.28 28%
Think of it as doubling the numerator, then multiplying it by 7.
3/7 = ?
3/7 = 0.42 42%
Think of it as doubling the numerator, then multiplying it by 7.
4/7 = ?
4/7 = ~0.56 ~56%
Think of it as doubling the numerator, then multiplying it by 7.
5/7 = ?
5/7 = ~0.71 ~71%
Think of it as doubling the numerator, then multiplying it by 7.
6/7 = ?
6/7 = ~0.84 ~84%
Think of it as doubling the numerator, then multiplying it by 7.
5/6 = ?
5/6 = 0.833 83.3%
Or 1/3 + 1/2
= 0.33 + 0.5 = 0.833
= 33.3% + 50% = 83.3%