# SOLUTION: can someone please help me solve the following problems Solve the following: 1. 2/7 - 1/3 = ? 2. 4/5 x 15/2 = ? 3. 2 1/2 ÷ 3/4 = ?

Algebra ->  Algebra  -> Real-numbers -> SOLUTION: can someone please help me solve the following problems Solve the following: 1. 2/7 - 1/3 = ? 2. 4/5 x 15/2 = ? 3. 2 1/2 ÷ 3/4 = ?       Log On

 Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations! Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

 Algebra: Real numbers, Irrational numbers, etc Solvers Lessons Answers archive Quiz In Depth

Solve the following:
1. 2/7 - 1/3 = ?
2. 4/5 x 15/2 = ?
3. 2 1/2 ÷ 3/4 = ?

You can put this solution on YOUR website!
 Solved by pluggable solver: Fractions Solver Start with the given expression In order to subtract these two fractions, these fractions need to have a common denominator. In order to do that, we simply find that the LCM of 7 and 3 is 21 (note: if you need help with finding the LCM, check out this solver) Now we need to get each denominator to 21 Multiply by Multiply and to get Multiply by Multiply and to get Since both fractions have a common denominator of 21, we can now combine the fractions Combine the fractions Subtract the numerators So

-----------------------------------------------------

 Solved by pluggable solver: Fractions Solver Start with the given expression In order to multiply these fractions, simply multiply the numerators and denominators separately like this: Multiply the numerators 4 and 5. Place them as the numerator. Multiply the denominators 15 and 2. Place them as the denominator Now multiply So If want to reduce the fraction, reduces to (note: click here if you need help with reducing fractions)

-----------------------------------------------------

Note: . So this means that 5/2 ÷ 3/4 is identical to 2 1/2 ÷ 3/4

 Solved by pluggable solver: Fractions Solver Start with the given expression In order to divide these fractions, first we need to flip the second fraction to get . Now multiply the first fraction by the second fraction Now simply multiply the numerators and denominators separately like this: Multiply the numerators 5 and 4. Place them as the numerator. Multiply the denominators 3 and 2. Place them as the denominator Now multiply So If want to reduce the fraction, reduces to (note: click here if you need help with reducing fractions)