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In the second step, they were divided by 3. The final result, 4 / 3 , is an irreducible fraction because 4 and 3 have no common factors other than 1. The original fraction could have also been reduced in a single step by using the greatest common divisor of 90 and 120, which is 30. As 120 ÷ 30 = 4, and 90 ÷ 30 = 3, one gets
Two Latin squares, L 1 and L 2 of side n with common symbol set S that is also the index set for the rows and columns of each square, are isomorphic if there is a bijection g:S → S such that g(L 1 (i, j)) = L 2 (g(i), g(j)) for all i, j in S. [1]
Since all the fractional number names behave like feminine nouns, when the numerator is 1, 2, or any other number with a distinct feminine form, that form must be used: două treimi (2/3). The preposition de is used depending also on the numerator: douăzeci de sutimi (20/100), o sută zece miimi (110/1000).
Romanian letters à and  on the keyboard of an Apple MacBook Pro Romanian SR 13392:2004 ("primary") keyboard layout The original MS Windows' Romanian keyboard. It actually had the cedilla characters and lacked the Euro sign, and in some versions, the dead keys were not implemented, as upon they were typed, they were actually simple diacritic characters.
Power of ten Engineering notation [citation needed]Short scale (U.S. and modern British) Long scale (continental Europe, archaic British, and India) SI prefix SI symbol
A multiple of a number is the product of that number and an integer. For example, 10 is a multiple of 5 because 5 × 2 = 10, so 10 is divisible by 5 and 2. Because 10 is the smallest positive integer that is divisible by both 5 and 2, it is the least common multiple of 5 and 2.
0.4 Vulgar Fraction Two Fifths 2156 8534 ⅗ 3 ⁄ 5: 0.6 Vulgar Fraction Three Fifths 2157 8535 ⅘ 4 ⁄ 5: 0.8 Vulgar Fraction Four Fifths 2158 8536 ⅙ 1 ⁄ 6: 0.166... Vulgar Fraction One Sixth 2159 8537 ⅚ 5 ⁄ 6: 0.833... Vulgar Fraction Five Sixths 215A 8538 ⅛ 1 ⁄ 8: 0.125 Vulgar Fraction One Eighth 215B 8539 ⅜ 3 ⁄ 8: 0.375 ...
The so-called totatives 1, 5, 7 and 11 are the only integers in this set which are relatively prime to 12, and so the corresponding reduced residue system modulo 12 is {1, 5, 7, 11}. The cardinality of this set can be calculated with the totient function: φ(12) = 4. Some other reduced residue systems modulo 12 are: {13,17,19,23} {−11,−7 ...