Subtract 72/36 from 18/25
1st number: 18/25, 2nd number: 2 0/36
18/25 - 72/36 is -32/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 25 × 36 = 900,
18/25 = 18 × 36/25 × 36 = 648/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
72/36 = 72 × 25/36 × 25 = 1800/900 - Subtract the two like fractions:
648/900 - 1800/900 = 648 - 1800/900 = -1152/900 - After reducing the fraction, the answer is -32/25
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