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## MAP Recommended Practice

### Course: MAP Recommended Practice>Unit 34

Lesson 15: Adding and subtracting fractions with unlike denominators

# Adding and subtracting 3 fractions

Sal solves 1/4+3/5 -3/10 by rewriting each fraction to have a common denominator.

## Want to join the conversation?

• What do I do if I have three minuses?
• you do the same thing except you subtracting the numerators
(1 vote)
• Why are the questions hard
• Bc they want us to learn sum or to break our brains. Either one
• why do we need fractions in life......
• we only need them for math class i guess ……
• Why does math have to be Sooooooo HARD!
• Once you get the method it won't be hard anymore
• Hey,anybody?Can you pls upvote me so i can get a badge?
• Pov: you didn't learn anything bc you were reading the comments
• If you don't understand put it in the comments of this comment! I can help!
• is there spanish?