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OpenStudy (anonymous):
1/2+3/7=
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OpenStudy (solomonzelman):
Comon denominator is 2 times 7.
OpenStudy (superdavesuper):
1/2 + 3/7 = (1x7 + 3x2) / 2x7 =.....
OpenStudy (anonymous):
1. See if you have any cross multiplies. 2. Take the denominators and see what other numbers they have in common to get the same denominators. 3. 1/2 times 7 and 3/7 times 2 4. 7/14 plus 6/14 which equals 13/14 5. Simplify if needed.
OpenStudy (anonymous):
Thank you
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