Subtract 50/42 from 18/36
1st number: 18/36, 2nd number: 1 8/42
18/36 - 50/42 is -29/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
18/36 = 18 × 7/36 × 7 = 126/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
50/42 = 50 × 6/42 × 6 = 300/252 - Subtract the two like fractions:
126/252 - 300/252 = 126 - 300/252 = -174/252 - After reducing the fraction, the answer is -29/42
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