Subtract 81/5 from 1/45
1st number: 1/45, 2nd number: 16 1/5
1/45 - 81/5 is -728/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
1/45 = 1 × 1/45 × 1 = 1/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
81/5 = 81 × 9/5 × 9 = 729/45 - Subtract the two like fractions:
1/45 - 729/45 = 1 - 729/45 = -728/45
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