Subtract 42/18 from 12/50
1st number: 12/50, 2nd number: 2 6/18
12/50 - 42/18 is -157/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
12/50 = 12 × 9/50 × 9 = 108/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
42/18 = 42 × 25/18 × 25 = 1050/450 - Subtract the two like fractions:
108/450 - 1050/450 = 108 - 1050/450 = -942/450 - After reducing the fraction, the answer is -157/75
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