Subtracting Fractions with Unlike Denominators
Grade 5 · Math · Fraction Operations · West Virginia, USA
Lesson Summary
Subtract fractions that have different denominators by rewriting them with a common denominator first.
Explanation
Subtracting fractions with unlike denominators works a lot like adding them. First, find a common denominator so both fractions have the same bottom number. Then subtract the numerators and keep the denominator. Remember to check whether your answer can be simplified to a smaller fraction.
Practice Questions
Q1: What is 3/4 - 1/3?
Answer: 5/12. Rewrite 3/4 as 9/12 and 1/3 as 4/12, then subtract: 9/12 - 4/12 = 5/12.
Q2: What is 5/6 - 1/2?
Answer: 1/3. Rewrite 1/2 as 3/6, then subtract: 5/6 - 3/6 = 2/6, which simplifies to 1/3.
Q3: What is 7/10 - 2/5?
Answer: 3/10. Rewrite 2/5 as 4/10, then subtract: 7/10 - 4/10 = 3/10.
People Also Ask
What is Subtracting Fractions with Unlike Denominators in Grade 5 Math?+
Subtracting Fractions with Unlike Denominators is a lesson in the Fraction Operations chapter of Grade 5 Math. It is part of the West Virginia, USA school curriculum and covers key concepts that students need to understand at this level.
What grade level covers Subtracting Fractions with Unlike Denominators?+
Subtracting Fractions with Unlike Denominators is taught in Grade 5 as part of the Math curriculum in West Virginia, USA.
How can I help my child with Fraction Operations in Math?+
Start with the lesson summary and explanation on this page. Practice the questions provided, then use TutorTom for personalized, step-by-step help with Fraction Operations topics.