Subtract 21/5 from 20/2
1st number: 10 0/2, 2nd number: 4 1/5
20/2 - 21/5 is 29/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
20/2 = 20 × 5/2 × 5 = 100/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
21/5 = 21 × 2/5 × 2 = 42/10 - Subtract the two like fractions:
100/10 - 42/10 = 100 - 42/10 = 58/10 - After reducing the fraction, the answer is 29/5
- In mixed form: 54/5
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