Subtract 20/36 from 45/3
1st number: 15 0/3, 2nd number: 20/36
45/3 - 20/36 is 130/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 3 × 12 = 36,
45/3 = 45 × 12/3 × 12 = 540/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
20/36 = 20 × 1/36 × 1 = 20/36 - Subtract the two like fractions:
540/36 - 20/36 = 540 - 20/36 = 520/36 - After reducing the fraction, the answer is 130/9
- In mixed form: 144/9
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