Subtract 72/42 from 54/75
1st number: 54/75, 2nd number: 1 30/42
54/75 - 72/42 is -174/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
54/75 = 54 × 14/75 × 14 = 756/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
72/42 = 72 × 25/42 × 25 = 1800/1050 - Subtract the two like fractions:
756/1050 - 1800/1050 = 756 - 1800/1050 = -1044/1050 - After reducing the fraction, the answer is -174/175
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