X = 44 1/21 + 50 2/35 - 13/15X = 44 3/7 + 50 4/35 - 13/15X = 44 + 3/7 + 50 + 4/35 - 13/15X = 44 + (35)/(75) + 50 + 4/35 - 13/15X = 44 + 15/35 + 50 + 4/35 - 13/15X = 44 + 3/7 + 50 + 4/35 - 13/15X = 94 + 3/7 - 13/15X = 94 + (315)/(715) - 13/15X = 94 + 45/105 - 13/15X = 94 + 3/7 - 13/15X = 94 + 45/105 - 13/15X = 94 + 9/21 - 13/15X = 94 + 3/7 - 13/15X = 94 + 45/105 - 13/15X = 94 + 9/21 - 13/15X = 94 + 27/105 - 13/15X = 94 + 27/105 - 13/15X = 94 + 27/105 - 13/15X = 94 + 27/105 - 13/15X = 94 + 27/105 - 13/15X = 94 + 27/105 - 13/15X = 94 + 27/105 - 13/15X = 94 + 27/105 - 13/15X = 94 + 27/105 - 13/15X = 94.
X = 44 1/21 + 50 2/35 - 13/15
X = 44 3/7 + 50 4/35 - 13/15
X = 44 + 3/7 + 50 + 4/35 - 13/15
X = 44 + (35)/(75) + 50 + 4/35 - 13/15
X = 44 + 15/35 + 50 + 4/35 - 13/15
X = 44 + 3/7 + 50 + 4/35 - 13/15
X = 94 + 3/7 - 13/15
X = 94 + (315)/(715) - 13/15
X = 94 + 45/105 - 13/15
X = 94 + 3/7 - 13/15
X = 94 + 45/105 - 13/15
X = 94 + 9/21 - 13/15
X = 94 + 3/7 - 13/15
X = 94 + 45/105 - 13/15
X = 94 + 9/21 - 13/15
X = 94 + 27/105 - 13/15
X = 94 + 27/105 - 13/15
X = 94 + 27/105 - 13/15
X = 94 + 27/105 - 13/15
X = 94 + 27/105 - 13/15
X = 94 + 27/105 - 13/15
X = 94 + 27/105 - 13/15
X = 94 + 27/105 - 13/15
X = 94 + 27/105 - 13/15
X = 94.