Subtract 45/25 from 18/36
1st number: 18/36, 2nd number: 1 20/25
18/36 - 45/25 is -13/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 25 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 36 × 25 = 900,
18/36 = 18 × 25/36 × 25 = 450/900 - Likewise, for the 2nd fraction, since 25 × 36 = 900,
45/25 = 45 × 36/25 × 36 = 1620/900 - Subtract the two like fractions:
450/900 - 1620/900 = 450 - 1620/900 = -1170/900 - After reducing the fraction, the answer is -13/10
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