Fractions: Subtracting (different denominator)

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2314 = 512
2335 = 115
3413 = 512
3514 = 720
4516 = 1930
5725 = 1135
3516 = 1330
1316 = 16
3816 = 524
35415 = 13
18132 = 332
38310 = 340
7121748 = 1148
3415 = 1120
59718 = 16
151658 = 516
78732 = 2132
51614 = 116

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Related Resources

The various resources listed below are aligned to the same standard, (5NF01) taken from the CCSM (Common Core Standards For Mathematics) as the Fractions Worksheet shown above.

Add and subtract fractions with unlike denominators (including mixed numbers) by replacing given fractions with equivalent fractions in such a way as to produce an equivalent sum or difference of fractions with like denominators. For example, 2/3 + 5/4 = 8/12 + 15/12 = 23/12. (In general, a/b + c/d = (ad + bc)/bd.)

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