Subtract 72/90 from 6/25
6/25 - 72/90 is -14/25.
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,
6/25 = 6 × 18/25 × 18 = 108/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
72/90 = 72 × 5/90 × 5 = 360/450 - Subtract the two like fractions:
108/450 - 360/450 = 108 - 360/450 = -252/450 - After reducing the fraction, the answer is -14/25
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