Respuesta:
3/2 x 1/4 x 3/5 = 3x1x3 / 2x4x5 = 9/40
12/7 + 4/7 + 20/7 = 12+4+20/7= 36 / 7
103/ 19 - 99/ 19 = 103-99/19= 4/19
2/3 + 1/4 = 8+3 /12 = 11/12
9/15 - 3/8 = 72-45 /120 = 27/120
Explicación paso a paso:
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Respuesta:
3/2 x 1/4 x 3/5 = 3x1x3 / 2x4x5 = 9/40
12/7 + 4/7 + 20/7 = 12+4+20/7= 36 / 7
103/ 19 - 99/ 19 = 103-99/19= 4/19
2/3 + 1/4 = 8+3 /12 = 11/12
9/15 - 3/8 = 72-45 /120 = 27/120
Explicación paso a paso: