Subtract 81/30 from 3/50
1st number: 3/50, 2nd number: 2 21/30
3/50 - 81/30 is -66/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 50 × 3 = 150,
3/50 = 3 × 3/50 × 3 = 9/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
81/30 = 81 × 5/30 × 5 = 405/150 - Subtract the two like fractions:
9/150 - 405/150 = 9 - 405/150 = -396/150 - After reducing the fraction, the answer is -66/25
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