In order to calculate 7 / 11 × 10 + 7 / 11, what law can be used to simplify the calculation

In order to calculate 7 / 11 × 10 + 7 / 11, what law can be used to simplify the calculation

7/11×10+7/11
=7/11×（10+1）
=7/11×11
=7
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Simple calculation of 10 out of 11 divided by 4 out of 7 divided by 5 out of 22

Original form
=10/11x7/4x22/5
=10 / 11x22 / 5x7 / 4 multiplicative commutative law
=4x7/4
=7