Q: Are 12 out of 28 and 21 out of 49 equal?

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49 − 28 = 21 difference 21 / 28 x 100 = 75%

126

7/3 x 7/4 = (28 + 21)/12 = 49/12 or about 4.0833

The answer is 109. 21 + (1 x 28) = 49 22 + (2 x 28) = 78 25 + (3 x 28) = 109

77－49＝28÷2＝〔14〕 21＋14＝35 35＋14＝49 49＋14＝63 63＋14＝77

Related questions

21

Some equivalent fractions of 49/84 are: 7/12 = 14/24 = 21/36 = 28/48

49 − 28 = 21 difference 21 / 28 x 100 = 75%

126

21, 28, 35, 42, 49

49

8/14, 12/21, 16/28, 20/35, 24/42, 28/49,...

7/3 x 7/4 = (28 + 21)/12 = 49/12 or about 4.0833

7

588

It is: 49-28 = 21

Factors of 49: 1, 7, 49Factors of 21: 1, 3, 7, 21Factors of 28: 1, 2, 4, 7, 14, 28GCF (49, 21, 28) = 7