Subtract 72/18 from 18/75
1st number: 18/75, 2nd number: 4 0/18
18/75 - 72/18 is -94/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
18/75 = 18 × 6/75 × 6 = 108/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
72/18 = 72 × 25/18 × 25 = 1800/450 - Subtract the two like fractions:
108/450 - 1800/450 = 108 - 1800/450 = -1692/450 - After reducing the fraction, the answer is -94/25
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