To subtract decimal,

first we convert them into fractions

and

then we cannot the final fraction into decimal.

###
**
Subtract
**
**
2.76
**
**
from 3.8
**

= 38/10 − 276/100

= 38/10 × 10/10 − 276/100

= 380/100 − 276/100

= ((380 - 276))/100

= 104/100

=
**
1.04
**

**
**

**
**

###
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Subtract 9.398 from 34.65
**

**
**

**
**

= 3465/100 − 9398/1000

= 3465/100 × 10/10 − 9398/1000

= 34650/1000 − 9398/1000

= ((34650 - 9398))/1000

= 25252/1000

=
**
25.252
**

**
**

**
**