Subtract 28/32 from 28/36, Solve 28/36

Subtract 28/32 from 28/36

28/36 - 28/32 is -7/72.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 32 is 288

Next, find the equivalent fraction of both fractional numbers with denominator 288
For the 1st fraction, since 36 × 8 = 288,
28/36 = 28 × 8/36 × 8 = 224/288
Likewise, for the 2nd fraction, since 32 × 9 = 288,
28/32 = 28 × 9/32 × 9 = 252/288
Subtract the two like fractions:
224/288 - 252/288 = 224 - 252/288 = -28/288
After reducing the fraction, the answer is -7/72

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