Subtract 20/45 from 16/9
1st number: 1 7/9, 2nd number: 20/45
16/9 - 20/45 is 4/3.
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,
16/9 = 16 × 5/9 × 5 = 80/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
20/45 = 20 × 1/45 × 1 = 20/45 - Subtract the two like fractions:
80/45 - 20/45 = 80 - 20/45 = 60/45 - After reducing the fraction, the answer is 4/3
- In mixed form: 11/3
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