Subtracting fractions that share the same denominator by subtracting the numerators and keeping the denominator.
You have 85 of a cake and eat 82. Same size slices, so subtract the count: 83 remains.
Showing a random 20 of 50 problems.
Example 1
medium
1310−13?=134. Find the missing numerator.
Example 2
challenge
For which whole number k does 9k−92 simplify to 31?
Example 3
medium
A board is 129 of a metre long. A piece of 125 of a metre is cut off. What length remains?
Example 4
challenge
Half a pizza (84) is left. Sam eats 83 of the whole pizza. Express what is left of the whole, and of the original half.
Example 5
easy
1615−167=□15/16 minus 7/16: the result 8/16 simplifies to 1/2.
Example 6
medium
Subtract 351−154.
Example 7
hard
Subtract 291−98 and write as a mixed number.
Example 8
easy
Subtract 85−82.The full bar is 5/8. Remove the 2/8 piece — what fraction remains?
Example 9
medium
Find 1513−154−152.
Example 10
easy
Subtract 97−94.7/9 minus 4/9: the result 3/9 simplifies to 1/3.
Example 11
easy
Subtract 107−103.The full bar is 7/10. Remove the 3/10 piece — what remains?
Example 12
easy
Subtract 76−72.The full bar is 6/7. Remove 2/7 — what fraction remains?
Example 13
medium
A pitcher holds 1211 L of juice. Maya pours out 125 L. How much remains?The pitcher holds 11/12 L. After pouring out 5/12 L, how much remains? (6/12
Example 14
medium
Subtract 819−87 and write as a mixed number.
Example 15
challenge
Subtract 5112−2117−1113.
Example 16
easy
Maya has 107 of a chocolate bar. She gives 102 to her brother. How much does she have left?Maya has 7/10 of a chocolate bar. She gives 2/10 to her brother — how much does she have left? (5/10
Example 17
medium
Subtract 4103−1107.
Example 18
medium
A jug holds 1 L. Maya drinks 83 L. Then her friend drinks 81 L. How much is left in the jug?
Example 19
easy
Subtract 43−41.3/4 minus 1/4: the result 2/4 simplifies to 1/2.