Subtract 3/18 from 45/75
45/75 - 3/18 is 13/30.
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,
45/75 = 45 × 6/75 × 6 = 270/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
3/18 = 3 × 25/18 × 25 = 75/450 - Subtract the two like fractions:
270/450 - 75/450 = 270 - 75/450 = 195/450 - After reducing the fraction, the answer is 13/30
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