Subtract 81/50 from 7/30
1st number: 7/30, 2nd number: 1 31/50
7/30 - 81/50 is -104/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
7/30 = 7 × 5/30 × 5 = 35/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
81/50 = 81 × 3/50 × 3 = 243/150 - Subtract the two like fractions:
35/150 - 243/150 = 35 - 243/150 = -208/150 - After reducing the fraction, the answer is -104/75
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