# What is 1/3 + 1/4?

getcalc.com's **two fractions addition calculator** is an online basic math function tool to find what's the equivalent fraction for sum of two fractional numbers with different, unequal or unlike denominators 1/3 and 1/4.

1/3 + 1/4 = 7/12 in fraction form

1/3 + 1/4 = 0.5833 in decimal form

This calculator, formula, step by step calculation and associated information for adding 1/3 and 1/4 may help students, teachers,
parents or professionals to learn, teach, practice or verify such two fractions addition calculations efficiently.

## How to Find Equivalent Fraction for 1/3+1/4?

The below workout with step by step calculation shows how to find the equivalent fraction between 1/3 and 1/4 by adding two fractions with different, unequal or unlike denominators. The sum in fraction form for 1/3 plus 1/4 can be obtained by using anyone of the two methods below.

1. LCM method

2. Cross multiplication method.

__Problem and Workout - LCM Method__

What is 1/3 plus 1/4 as a fraction by addition using LCM method?

step 1 Address *formula*, input parameters and values.

Input parameters and values:

1/3 & 1/4

1/3+1/4 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators

The LCM for 3 and 4 is 12.

step 3 To have the common denominator, multiply the LCM with both numerator and denominator

=(1 x 12)/(3 x 12)+(1 x 12)/(4 x 12)

=4/12+3/12

=(4 + 3)/12

step 4 Add both numerator and rewrite it in a single form.

=7/12

1/3+1/4=7/12

By using LCM method, **7/12** is the equivalent fraction by adding 1/3 and 1/4.

__Problem and Workout - Cross Multiplication Method__

step 1 Address formula and input values.

Input values:

1/3 & 1/4

1/3 + 1/4 = ?

step 2 Cross multiply both numerator and denominator, multiply both denominators and rewrite as below

= (1 x 4) + (1 x 3)/(3 x 4)

step 3 Simplify and rewrite the fraction

= (4 + 3)/12

1/3+1/4 = 7/12

By using cross multiplication method, **7/12** is the addition between two fractions 1/3 and 1/4.