# What is 1/4 + 1/7? 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 1/4 and 1/7.

1/4 + 1/7 = 11/28 in fraction form

1/4 + 1/7 = 0.3929 in decimal form
This calculator, formula, step by step calculation and associated information for adding 1/4 & 1/7 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 1/4+1/7?

The below workout with step by step calculation shows how to find the equivalent fraction between 1/4 and 1/7 by adding two fractions with different, unequal or unlike denominators. The sum in fraction form for 1/4 plus 1/7 can be obtained by using anyone of the two methods below.
1. LCM method
2. Cross multiplication method.

Problem & Workout - LCM Method
What is 1/4 plus 1/7 as a fraction by addition using LCM method?

step 1 Address formula, input parameters & values.
Input parameters & values:
1/4 & 1/7
1/4+1/7 = ?

step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
The LCM for 4 and 7 is 28.

step 3 To have the common denominator, multiply the LCM with both numerator & denominator
=(1 x 28)/(4 x 28)+(1 x 28)/(7 x 28)
=7/28+4/28
=(7 + 4)/28

step 4 Add both numerator and rewrite it in a single form.
=11/28
1/4+1/7=11/28

By using LCM method, 11/28 is the equivalent fraction by adding 1/4 and 1/7.

Problem & Workout - Cross Multiplication Method
step 1 Address formula, input parameters & values.
Input parameters & values:
1/4 & 1/7
1/4 + 1/7 = ?

step 2 Cross multiply both numerator & denominator, multiply both denominators and rewrite as below
= (1 x 7) + (1 x 4)/(4 x 7)

step 3 Simplify & rewrite the fraction
= (7 + 4)/28
1/4+1/7 = 11/28
By using cross multiplication method, 11/28 is the addition between two fractions 1/4 and 1/7. 