JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tbody>
      <tr>
        <td >col1</td>
        <td >col2</td>
        <td>col3</td>
        <td >&nbsp;</td>
        <td >&nbsp;</td>
        <td >&nbsp;</td>
        <td >&nbsp;</td>
      </tr>
      <tr>
        <td>R2</td>
        <td >2/17</td>
        <td >{2/17}</td>
        <td >&nbsp;</td>
        <td >&nbsp;</td>
        <td >&nbsp;</td>
        <td >&nbsp;</td>
      </tr>
    </tbody>
</table>

CSS

table{
    border-collapse: collapse;
}

table tr td{
    padding: 10px;
    border: 1px solid #ccc;
    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
	-moz-box-sizing: border-box;    /* Firefox, other Gecko */
	box-sizing: border-box;         /* Opera/IE 8+ */
}

table tr td:nth-child(n+4){
    display: none;
}