how you can use base-ten blocks to find 1.54 + 2.37
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A decimal fraction is one in which the denominator is 10,100,1000,..etc; that is 10 or some power 10.
Rule to addition and subtraction of decimals:
To place the decimal points under each other.
Now adding given two decimals
1.54
+2.37
_______
3.91
______
Or
1.54=1+5/10+4/100
2.37=2+3/10+7/100
________________
= 3+8/10+11/100
=3+9/10+1/100
=3.91
Rule to addition and subtraction of decimals:
To place the decimal points under each other.
Now adding given two decimals
1.54
+2.37
_______
3.91
______
Or
1.54=1+5/10+4/100
2.37=2+3/10+7/100
________________
= 3+8/10+11/100
=3+9/10+1/100
=3.91
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