9⁄4 = 2 1⁄4
the mixed number 42/3 = (4x3 + 2)/3 = 14/3 as an improper fraction.
4 is less than 8, so 4 over 8 is a proper fraction, which will not make a mixed number. You can simplify 4 over 8 to 1/2, though.
It is 7 over 4 as a fraction, or 1 and 3 over 4 as a mixed number.
Mixed fractions can't become proper fractions. Mixed fractions are greater than one. You can, however, change a mixed number into an IMPROPER fraction by multiplying the whole number by the denominator and adding the numerator to become the new numerator over the original denominator, for example: 2 3/4 = (2×4+3)/4 = 11/4
2 and 3/4
2 3/4
9/2 = 4 1/2
The mixed number 2 1/4 (two and one over four) = 9/4 (nine over four) as an improper fraction.
21 over 5 as a mixed fraction is 4 1/5.
2 4/5
14/3 = 4 2/3
9⁄4 = 2 1⁄4
2 1/4
the mixed number 42/3 = (4x3 + 2)/3 = 14/3 as an improper fraction.
108/48 = 9/4 = 2 1/4
4 is less than 8, so 4 over 8 is a proper fraction, which will not make a mixed number. You can simplify 4 over 8 to 1/2, though.