Subtract 75/30 from 20/50
1st number: 20/50, 2nd number: 2 15/30
20/50 - 75/30 is -21/10.
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,
20/50 = 20 × 3/50 × 3 = 60/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
75/30 = 75 × 5/30 × 5 = 375/150 - Subtract the two like fractions:
60/150 - 375/150 = 60 - 375/150 = -315/150 - After reducing the fraction, the answer is -21/10
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