Subtract 28/32 from 45/49, Solve 45/49

Subtract 28/32 from 45/49

45/49 - 28/32 is 17/392.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 32 is 1568

Next, find the equivalent fraction of both fractional numbers with denominator 1568
For the 1st fraction, since 49 × 32 = 1568,
45/49 = 45 × 32/49 × 32 = 1440/1568
Likewise, for the 2nd fraction, since 32 × 49 = 1568,
28/32 = 28 × 49/32 × 49 = 1372/1568
Subtract the two like fractions:
1440/1568 - 1372/1568 = 1440 - 1372/1568 = 68/1568
After reducing the fraction, the answer is 17/392

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