Subtract 75/72 from 7/84
1st number: 7/84, 2nd number: 1 3/72
7/84 - 75/72 is -23/24.
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,
7/84 = 7 × 6/84 × 6 = 42/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
75/72 = 75 × 7/72 × 7 = 525/504 - Subtract the two like fractions:
42/504 - 525/504 = 42 - 525/504 = -483/504 - After reducing the fraction, the answer is -23/24
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