100-34.98

Set up the subtraction problem in long subtraction format.

1 | 0 | 0 | ||||

– | 3 | 4 | . | 9 | 8 | |

. |

Borrow 10 from the digit in the next column to the left. Add the borrowed 10 to 0. Reduce the number that was borrowed from by 1.

-1 | 10 | |||||

1 | 0 | 0 | ||||

– | 3 | 4 | . | 9 | 8 | |

. |

Subtract 8 from 10.

-1 | 10 | |||||

1 | 0 | 0 | ||||

– | 3 | 4 | . | 9 | 8 | |

. | 2 |

Borrow 10 from the digit in the next column to the left. Add the borrowed 10 to -1. Reduce the number that was borrowed from by 1.

-1 | 9 | 10 | ||||

1 | 0 | 0 | ||||

– | 3 | 4 | . | 9 | 8 | |

. | 2 |

Subtract 9 from 9.

-1 | 9 | 10 | ||||

1 | 0 | 0 | ||||

– | 3 | 4 | . | 9 | 8 | |

. | 0 | 2 |

Borrow 10 from the digit in the next column to the left. Add the borrowed 10 to -1. Reduce the number that was borrowed from by 1.

-1 | 9 | 9 | 10 | |||

1 | 0 | 0 | ||||

– | 3 | 4 | . | 9 | 8 | |

. | 0 | 2 |

Subtract 4 from 9.

-1 | 9 | 9 | 10 | |||

1 | 0 | 0 | ||||

– | 3 | 4 | . | 9 | 8 | |

5 | . | 0 | 2 |

Borrow 10 from the digit in the next column to the left. Add the borrowed 10 to -1. Reduce the number that was borrowed from by 1.

0 | 9 | 9 | 9 | 10 | ||

1 | 0 | 0 | ||||

– | 3 | 4 | . | 9 | 8 | |

5 | . | 0 | 2 |

Subtract 3 from 9.

0 | 9 | 9 | 9 | 10 | ||

1 | 0 | 0 | ||||

– | 3 | 4 | . | 9 | 8 | |

6 | 5 | . | 0 | 2 |

Subtract 0 from 0.

0 | 9 | 9 | 9 | 10 | ||

1 | 0 | 0 | ||||

– | 3 | 4 | . | 9 | 8 | |

0 | 6 | 5 | . | 0 | 2 |

The result of 100-34.98 is 65.02.

65.02

Subtract Using Long Subtraction 100-34.98