# Trying to add multiple values brought in by a relation

**URL:** <https://community.glideapps.com/t/trying-to-add-multiple-values-brought-in-by-a-relation/77654>\
**Category:** Ask for Help\
**Created:** [November 6, 2024, 8:39am UTC](https://community.glideapps.com/t/trying-to-add-multiple-values-brought-in-by-a-relation/77654 "2024-11-06T08:39:28Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![holysheets](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/holysheets/32/66286_2.png) [@holysheets](https://community.glideapps.com/u/holysheets)\
**Post date:** [November 6, 2024, 8:39am UTC](https://community.glideapps.com/t/trying-to-add-multiple-values-brought-in-by-a-relation/77654/1 "2024-11-06T08:39:28Z")

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![image](https://us1.discourse-cdn.com/flex002/uploads/glideapps/original/3X/9/0/907ed9edc355f6fd639b2b48d9a5bec911fecee7.png)  
Have multiple values brought in, for example, I am using date as the primary relation to bring in items sold on that date into one feed using the Relation values, but how do I use Math to add up the values in this Look up table.

But I think I figured it out.

Math: ROLLUP →

 ![image](https://us1.discourse-cdn.com/flex002/uploads/glideapps/original/3X/a/a/aa9ccb5a5cf447ec7125c16bd0f746ce13a5a91f.png)

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**Author:** ![Darren\_Murphy](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/darren_murphy/32/47326_2.png) [@Darren\_Murphy](https://community.glideapps.com/u/Darren_Murphy)\
**Post date:** [November 6, 2024, 8:48am UTC](https://community.glideapps.com/t/trying-to-add-multiple-values-brought-in-by-a-relation/77654/2 "2024-11-06T08:48:48Z")

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Yes, you have a multiple relation, and so your lookup column returns an array. And you can’t use an array in a math column.

What you can do is bypass the lookup column and target the rollup directly at the Revenue column via the relation.