Subtract 81/25 from 9/4
1st number: 2 1/4, 2nd number: 3 6/25
9/4 - 81/25 is -99/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
9/4 = 9 × 25/4 × 25 = 225/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
81/25 = 81 × 4/25 × 4 = 324/100 - Subtract the two like fractions:
225/100 - 324/100 = 225 - 324/100 = -99/100
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