Subtract 20/18 from 15/25
1st number: 15/25, 2nd number: 1 2/18
15/25 - 20/18 is -23/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
15/25 = 15 × 18/25 × 18 = 270/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
20/18 = 20 × 25/18 × 25 = 500/450 - Subtract the two like fractions:
270/450 - 500/450 = 270 - 500/450 = -230/450 - After reducing the fraction, the answer is -23/45
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