Wartość wyrażenia 3/4 - 2/3 kreska ułamkowa 2/3 - 1/2 jest równa
3/4 - 2/3 9/12 - 8/ 12 1/12
________ = _____________ = __________ = 1/12 : 1/6 = 1/12 * 6 = 6/12 =1/2
2/3 - 1/2 4/6 -3/6 1/6
(3/4-2/3) : (2/3-1/2) wspólny mianownik =12
= (9/12-8/12) / (8/12-6/12)= 1/12 / 2/12= 1/12 * 12/2 = 1/2
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3/4 - 2/3 9/12 - 8/ 12 1/12
________ = _____________ = __________ = 1/12 : 1/6 = 1/12 * 6 = 6/12 =1/2
2/3 - 1/2 4/6 -3/6 1/6
(3/4-2/3) : (2/3-1/2) wspólny mianownik =12
= (9/12-8/12) / (8/12-6/12)= 1/12 / 2/12= 1/12 * 12/2 = 1/2