Subtract 60/50 from 21/30
1st number: 21/30, 2nd number: 1 10/50
21/30 - 60/50 is -1/2.
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,
21/30 = 21 × 5/30 × 5 = 105/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
60/50 = 60 × 3/50 × 3 = 180/150 - Subtract the two like fractions:
105/150 - 180/150 = 105 - 180/150 = -75/150 - After reducing the fraction, the answer is -1/2
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