Subtract 20/45 from 9/5
1st number: 1 4/5, 2nd number: 20/45
9/5 - 20/45 is 61/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
9/5 = 9 × 9/5 × 9 = 81/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
20/45 = 20 × 1/45 × 1 = 20/45 - Subtract the two like fractions:
81/45 - 20/45 = 81 - 20/45 = 61/45 - In mixed form: 116/45
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