Fraction Addition and Subtraction: Difficult Problems with Solutions

Problem 1
Calculate [tex]\frac{1}{15}+\frac{4}{5}[/tex]
Problem 2
Determine the value of [tex]\frac{1}{2}+\frac{1}{4}+\frac{1}{8}[/tex]
Problem 3
Evaluate [tex]\frac{3}{9}+\frac{9}{27}[/tex]
Problem 4
Calculate [tex]\frac{2}{3}+\frac{5}{12}[/tex]
Problem 5
Determine the value of [tex]\frac{1}{2}+\frac{5}{14}[/tex]
Problem 6
Find the value of [tex]\frac{5}{21}+\frac{1}{3}[/tex]
Problem 7
Add the fractions [tex]\frac{2}{7}[/tex] and [tex]\frac{13}{28}[/tex]
Problem 8
Find the sum of [tex]\frac{15}{25}[/tex] and [tex]\frac{8}{15}[/tex]
Problem 9
Calculate [tex]\frac{5}{21}-\frac{1}{7}[/tex]
Problem 10
Evaluate [tex]\frac{2}{14}+\frac{5}{21}[/tex]

Problem 11
Determine the value of [tex]\frac{5}{13}+\frac{3}{26}[/tex]
Problem 12
Calculate the sum of fractions: [tex]\frac{52}{77}+\frac{2}{11}[/tex]
Problem 13
Find the value of [tex]\frac{18}{65}+\frac{7}{13}[/tex]
Problem 14
Evaluate [tex]\frac{5}{74}-\frac{2}{37}[/tex]
Problem 15
Subtract [tex]\frac{13}{14}[/tex] from [tex]\frac{33}{28}[/tex]
Problem 16
Sum the fractions [tex]\frac{1}{2}+\frac{1}{3}+\frac{7}{6}[/tex]
Problem 17
Determine the value of [tex]\frac{5}{16}+\frac{7}{14}[/tex]
Problem 18
Calculate [tex]\frac{28}{35}+\frac{63}{15}[/tex]
Problem 19
Evaluate [tex]\frac{18}{24}+\frac{23}{53}[/tex]
Problem 20
Determine the value of [tex]\frac{19}{51}+\frac{11}{17}[/tex]
Problem 21
Calculate [tex]\frac{349}{23}-\frac{234}{23}[/tex]
Problem 22
Subtract [tex]\frac{15}{67}[/tex] from [tex]\frac{137}{134}[/tex]
Problem 23
Evaluate [tex]\frac{1}{11}-\frac{2}{11}+\frac{3}{11}-\frac{4}{11}+\frac{5}{11}[/tex]
Problem 24
Calculate [tex]\frac{5}{18}-\frac{2}{9}+\frac{7}{36}[/tex]
Problem 25
Subtract the fractions [tex]\frac{234}{165}-\frac{124}{165}[/tex]
Problem 26
If [tex]\frac{1}{4}[/tex] of the ghosts in a castle are friendly and [tex]\frac{3}{5}[/tex] of them are unfrendly. What fraction of the ghost are neither friendly or unfriendly?
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