Subtract 12/90 from 3/25
3/25 - 12/90 is -1/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
3/25 = 3 × 18/25 × 18 = 54/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
12/90 = 12 × 5/90 × 5 = 60/450 - Subtract the two like fractions:
54/450 - 60/450 = 54 - 60/450 = -6/450 - After reducing the fraction, the answer is -1/75
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