Subtract 20/9 from 25/30
1st number: 25/30, 2nd number: 2 2/9
25/30 - 20/9 is -25/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 9 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
25/30 = 25 × 3/30 × 3 = 75/90 - Likewise, for the 2nd fraction, since 9 × 10 = 90,
20/9 = 20 × 10/9 × 10 = 200/90 - Subtract the two like fractions:
75/90 - 200/90 = 75 - 200/90 = -125/90 - After reducing the fraction, the answer is -25/18
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