Subtract 40/25 from 3/18
1st number: 3/18, 2nd number: 1 15/25
3/18 - 40/25 is -43/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
3/18 = 3 × 25/18 × 25 = 75/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
40/25 = 40 × 18/25 × 18 = 720/450 - Subtract the two like fractions:
75/450 - 720/450 = 75 - 720/450 = -645/450 - After reducing the fraction, the answer is -43/30
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