help me please..........
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7/8 + 4/15 -x = 9/40
x = 7/8 +4/15 -9/40
LCM of 8,15,40 is 120
x= 15×7 + 8×4 -3×9/120
x= 105+32-27/120
105+5/120
110/120
11/12
x= 11/12 is answer
x = 7/8 +4/15 -9/40
LCM of 8,15,40 is 120
x= 15×7 + 8×4 -3×9/120
x= 105+32-27/120
105+5/120
110/120
11/12
x= 11/12 is answer
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