Introduction to addition or subtraction of fractions with different denominator 3/4-1/8

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03-10-2017
Mathematics

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Introduction to addition or subtraction of fractions with different denominator 3/4-1/8

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BismaNaeem BismaNaeem · Answer 1 · 2017-10-03T21:19:43+02:00

BismaNaeem BismaNaeem

03-10-2017

The denominator must be the same, so just think of the LEAST COMMON MULTIPLE, The LCM here is 8, because you can multiply 4 by 2 to get 8.
so when you multiply, you multiply both on the top and on the bottom, so this would be:
3 x 2 / 4 x 2 = 6 / 8
Now you can add or subtract: 6/8 - 1/8 = 5/8

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