Best Answer

You need common denominators. Then add or subtract the numerators. If the answer is an improper fraction it is common practice to reduce it to a mixed number.

Q: How do you add and subtract fractions in math?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

When you want to add or subtract unlike fractions.

Math is related to fractions. if you look in a math book or just online then one of the math topics is fractions. You learn how to divide, multiply, add and subtract, simplify and more about fractions and what to do with them.

Make the fractions equivalent then subtract

no, to add and subtract like and unlike fractions the denominator has to be the same,

In fractions, you can NEVER add or subtract

Related questions

When you want to add or subtract unlike fractions.

because its just one of the rules of math :)

Math is related to fractions. if you look in a math book or just online then one of the math topics is fractions. You learn how to divide, multiply, add and subtract, simplify and more about fractions and what to do with them.

it stay the same when you subtract fractions and when you add fractions.

You need a common denominator in order to add or subtract fractions.

Make the fractions equivalent then subtract

no, to add and subtract like and unlike fractions the denominator has to be the same,

In fractions, you can NEVER add or subtract

Often in Math, fractions are used to add, subtract, multiply, divide, or indicate the magnitude of measurements that will be involved in those operations. They can be used as numbers whenever the authentic number is not an integer.

Because you can't add or subtract fractions that have different denominators. Making them like fractions, by multiplying so the denominators are the same, you can add and/or subtract them.

Numerators

it is important to learn how to add and subtract fractions because we can use it when a time comes , when we have our own business and others .