Subtract 81/18 from 30/50
1st number: 30/50, 2nd number: 4 9/18
30/50 - 81/18 is -39/10.
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,
30/50 = 30 × 9/50 × 9 = 270/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
81/18 = 81 × 25/18 × 25 = 2025/450 - Subtract the two like fractions:
270/450 - 2025/450 = 270 - 2025/450 = -1755/450 - After reducing the fraction, the answer is -39/10
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