Question

Find the sum twelve and three-eighths plus two and one-fifth. Be sure to reduce to simplest form.

fourteen and four-thirteenths

fourteen and twenty-three fortieths

twelve and twenty-three fortieths

fourteen and four-fifths

Answer 1

You need to first convert each mixed number to a fraction, so for example 12 and 3/8=99/8. Then you need to find the least common factor of the two denominators so you can add them together. So (99/8 + 11/5) = (495/40 + 88/40) = 583/8 = 14 23/40

Answer 2

14 and 23/40*

Answer 3

can u help me wth more

Answer 4

You won't learn from it if I do them all for you. If you must finish them now, you can use this website to calculate them for you. http://www.calculatorsoup.com/calculators/math/mixednumbers.php

Answer 5

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