Subtract 49/72 from 8/28
8/28 - 49/72 is -199/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
8/28 = 8 × 18/28 × 18 = 144/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
49/72 = 49 × 7/72 × 7 = 343/504 - Subtract the two like fractions:
144/504 - 343/504 = 144 - 343/504 = -199/504
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