Subtract 30/50 from 21/10
1st number: 2 1/10, 2nd number: 30/50
21/10 - 30/50 is 3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 10 × 5 = 50,
21/10 = 21 × 5/10 × 5 = 105/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
30/50 = 30 × 1/50 × 1 = 30/50 - Subtract the two like fractions:
105/50 - 30/50 = 105 - 30/50 = 75/50 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
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