Subtract 45/42 from 63/75
1st number: 63/75, 2nd number: 1 3/42
63/75 - 45/42 is -81/350.
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,
63/75 = 63 × 14/75 × 14 = 882/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
45/42 = 45 × 25/42 × 25 = 1125/1050 - Subtract the two like fractions:
882/1050 - 1125/1050 = 882 - 1125/1050 = -243/1050 - After reducing the fraction, the answer is -81/350
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