# What is 1/4 + 1/8?

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 1/8.

1/4 + 1/8 = 3/8 in fraction form

1/4 + 1/8 = 0.375 in decimal form

This calculator, formula, step by step calculation and associated information for adding 1/4 and 1/8 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+1/8?

The below workout with step by step calculation shows how to find the equivalent fraction between 1/4 and 1/8 by adding two fractions with different, unequal or unlike denominators. The sum in fraction form for 1/4 plus 1/8 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 1/4 plus 1/8 as a fraction by addition using LCM method?

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

Input parameters and values:

1/4 & 1/8

1/4+1/8 = ?

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

The LCM for 4 and 8 is 8.

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

=(1 x 8)/(4 x 8)+(1 x 8)/(8 x 8)

=2/8+1/8

=(2 + 1)/8

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

=3/8

1/4+1/8=3/8

By using LCM method, **3/8** is the equivalent fraction by adding 1/4 and 1/8.

__Problem and Workout - Cross Multiplication Method__

step 1 Address formula and input values.

Input values:

1/4 & 1/8

1/4 + 1/8 = ?

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

= (1 x 8) + (1 x 4)/(4 x 8)

step 3 Simplify and rewrite the fraction

= (8 + 4)/32

= 12/32

= 3/8

1/4+1/8 = 3/8

By using cross multiplication method, **3/8** is the addition between two fractions 1/4 and 1/8.