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6 2/5 - 6.4

Since one is a fraction and the other is a decimal , convert to either all decimals or all fractions.

#1

All decimals

6 2/5 = 6 4/10 = 6.4

Hence

6.4 - 6.4 = 0

#2

All fractions.

6 2/5 - 6.4 = 6 2/5 - 6 4/10

6 2/5 - 6 4/10 = 6 2/5 - 6 2/5 =0

As before.

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lenpollock

Lvl 17
∙ 2d ago

What else can I help you with?