Subtract 90/75 from 3/18
1st number: 3/18, 2nd number: 1 15/75
3/18 - 90/75 is -31/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
3/18 = 3 × 25/18 × 25 = 75/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
90/75 = 90 × 6/75 × 6 = 540/450 - Subtract the two like fractions:
75/450 - 540/450 = 75 - 540/450 = -465/450 - After reducing the fraction, the answer is -31/30
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