Subtract 24/28 from 7/72
7/72 - 24/28 is -383/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 28 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
7/72 = 7 × 7/72 × 7 = 49/504 - Likewise, for the 2nd fraction, since 28 × 18 = 504,
24/28 = 24 × 18/28 × 18 = 432/504 - Subtract the two like fractions:
49/504 - 432/504 = 49 - 432/504 = -383/504
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