Subtract 20/36 from 45/9
1st number: 5 0/9, 2nd number: 20/36
45/9 - 20/36 is 40/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
45/9 = 45 × 4/9 × 4 = 180/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
20/36 = 20 × 1/36 × 1 = 20/36 - Subtract the two like fractions:
180/36 - 20/36 = 180 - 20/36 = 160/36 - After reducing the fraction, the answer is 40/9
- In mixed form: 44/9
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