Subtract 90/10 from 9/4
1st number: 2 1/4, 2nd number: 9 0/10
9/4 - 90/10 is -27/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
9/4 = 9 × 5/4 × 5 = 45/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
90/10 = 90 × 2/10 × 2 = 180/20 - Subtract the two like fractions:
45/20 - 180/20 = 45 - 180/20 = -135/20 - After reducing the fraction, the answer is -27/4
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