Subtract 25/45 from 15/72
15/72 - 25/45 is -25/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
15/72 = 15 × 5/72 × 5 = 75/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
25/45 = 25 × 8/45 × 8 = 200/360 - Subtract the two like fractions:
75/360 - 200/360 = 75 - 200/360 = -125/360 - After reducing the fraction, the answer is -25/72
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