Subtract 21/50 from 30/20
1st number: 1 10/20, 2nd number: 21/50
30/20 - 21/50 is 27/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
30/20 = 30 × 5/20 × 5 = 150/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
21/50 = 21 × 2/50 × 2 = 42/100 - Subtract the two like fractions:
150/100 - 42/100 = 150 - 42/100 = 108/100 - After reducing the fraction, the answer is 27/25
- In mixed form: 12/25
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