Subtract 10/72 from 30/84
30/84 - 10/72 is 55/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 84 × 6 = 504,
30/84 = 30 × 6/84 × 6 = 180/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
10/72 = 10 × 7/72 × 7 = 70/504 - Subtract the two like fractions:
180/504 - 70/504 = 180 - 70/504 = 110/504 - After reducing the fraction, the answer is 55/252
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