Subtract 72/75 from 25/30
25/30 - 72/75 is -19/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
25/30 = 25 × 5/30 × 5 = 125/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
72/75 = 72 × 2/75 × 2 = 144/150 - Subtract the two like fractions:
125/150 - 144/150 = 125 - 144/150 = -19/150
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