Seudónimo Seudónimo

01-01-2015
Mathematics

contestada

Which is a good comparison of the estimated sum and the actual sum of 7 7/8 and 2 11/12?

Respuesta :

Аноним Аноним

01-01-2015

7/8 is nearly 1.

11/12 is also nearly 1.

Estimate:

7+7/8+2+11/12≈7+1+2+1≈11

Real Answer:

7+7/8+2+11/12

=9+7/8+11/12

=72/8+7/8+11/12

=79/8+11/12

=948/96+88/96

=1036/96

=960/96+76/96

=10+76/96

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