Subtract 20/45 from 25/9
1st number: 2 7/9, 2nd number: 20/45
25/9 - 20/45 is 7/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
25/9 = 25 × 5/9 × 5 = 125/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
20/45 = 20 × 1/45 × 1 = 20/45 - Subtract the two like fractions:
125/45 - 20/45 = 125 - 20/45 = 105/45 - After reducing the fraction, the answer is 7/3
- In mixed form: 21/3
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