Đặt A =19/4 +37/100+1/8 +132/25 +5/2 + 37/12
A =19/4 +37/100+1/8 +132/25 +5/2 + 37/12
`= ( 19/4 + 1/8 + 37/12+ 5/2) + ( 132/25 + 37/100)`
`= ( 114/24 + 3/24 + 60/24 + 74/24) + (528/100 + 37/100)`
`= 251/24 + 565/100`
`= 251/24 + 113/20`
`= 1255/120 + 678/120`
`= 1933/120`
`Vậy` `A = 1933/120`
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