# Adding the numbers in lookup
**URL:** https://community.glideapps.com/t/adding-the-numbers-in-lookup/56612
**Category:** Ask for Help
**Created:** [January 12, 2023, 12:11pm UTC](https://community.glideapps.com/t/adding-the-numbers-in-lookup/56612 "2023-01-12T12:11:57Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@madhu](https://community.glideapps.com/u/madhu)
#### Post date: [January 12, 2023, 12:11pm UTC](https://community.glideapps.com/t/adding-the-numbers-in-lookup/56612/1 "2023-01-12T12:11:57Z")
can anyone suggest me, how to get the sum of elements in the lookup column.
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### Author:  [@Darren\_Murphy](https://community.glideapps.com/u/Darren_Murphy)
#### Post date: [January 12, 2023, 12:18pm UTC](https://community.glideapps.com/t/adding-the-numbers-in-lookup/56612/2 "2023-01-12T12:18:32Z")
Use a Rollup column (rollup-\>sum)
> **[Glide Docs • Rollup Column](https://www.glideapps.com/docs/reference/computed-columns/rollup-column)**
>
> Perform calculations on columns, such as count, average, and sum.
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### Author:  [@madhu](https://community.glideapps.com/u/madhu)
#### Post date: [January 12, 2023, 12:46pm UTC](https://community.glideapps.com/t/adding-the-numbers-in-lookup/56612/3 "2023-01-12T12:46:55Z")
Thank you so much.
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### Author:  [@system](https://community.glideapps.com/u/system)
#### Post date: [January 13, 2023, 12:47pm UTC](https://community.glideapps.com/t/adding-the-numbers-in-lookup/56612/4 "2023-01-13T12:47:09Z")
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