Subtract 9/10 from 5/2
1st number: 2 1/2, 2nd number: 9/10
5/2 - 9/10 is 8/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
5/2 = 5 × 5/2 × 5 = 25/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
9/10 = 9 × 1/10 × 1 = 9/10 - Subtract the two like fractions:
25/10 - 9/10 = 25 - 9/10 = 16/10 - After reducing the fraction, the answer is 8/5
- In mixed form: 13/5
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