how to add fractions

how to add fractions
in Algebra 1 Answers by Level 1 User (120 points)

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

From here: http://statsfiddle.info/Fraction/FractionArithmetic 

For addition or subtraction of fractions, it is important to find the Lowest Common Multiple of both Denominators. Once the lcm has been determined, scale up the numerators and denominators of both fractions to get a common denominator. Once this is done, the numerators can then simply be added or subtracted from eachother.

Example: http://statsfiddle.info/Fraction/FractionArithmetic?w1=1&n1=2&d1=3&op=Plus&w2=2&n2=3&d2=4

 

by Level 4 User (6.0k points)

Related questions

1 answer
How do i add mixed numbers and fractions
asked Mar 13, 2013 in Algebra 1 Answers by anonymous | 848 views
1 answer
how to add three fractions with different denominators
asked Dec 4, 2012 in Fraction Problems by anonymous | 1.6k views
1 answer
add the following fractions, 1/3+3/9-4/9= what?
asked Jan 23, 2012 in Word Problem Answers by vonny39 Level 1 User (560 points) | 1.1k views
1 answer
add (1/6x^2-11x+3)+(1/8x^2+18)=?
asked Feb 5, 2013 in Algebra 2 Answers by anonymous | 683 views
1 answer
add the following 1/4xy + 3/4xy -3xy
asked Sep 10, 2012 in Algebra 1 Answers by anonymous | 985 views
1 answer
add as indicated
asked Jan 21, 2012 in Algebra 1 Answers by anonymous | 893 views
1 answer
add the following fraction: 4/15+1/2-4/10
asked Jan 19, 2012 in Word Problem Answers by anonymous | 1.0k views
1 answer
please add 8/13+1/2=?
asked Dec 2, 2011 in Algebra 2 Answers by anonymous | 721 views
2 answers
adding fractions
asked Nov 8, 2012 in Algebra 1 Answers by anonymous | 1.2k views
3 answers
Adding Fractions Mixed Numbers
asked Dec 4, 2011 in Pre-Algebra Answers by anonymous | 2.5k views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. complete the following. 825 use each digit once .make the two smallest 3 digit numbers and two largest 3-digit number (2)
  4. Solve 15 -1(12÷4+1)? (4)
  5. 8:4(5+2) (3)

Most popular tags

87,550 questions
99,621 answers
2,417 comments
438,838 users