Subtract 15/25 from 1/72
1/72 - 15/25 is -211/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 25 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
1/72 = 1 × 25/72 × 25 = 25/1800 - Likewise, for the 2nd fraction, since 25 × 72 = 1800,
15/25 = 15 × 72/25 × 72 = 1080/1800 - Subtract the two like fractions:
25/1800 - 1080/1800 = 25 - 1080/1800 = -1055/1800 - After reducing the fraction, the answer is -211/360
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