Subtract 81/45 from 7/3
1st number: 2 1/3, 2nd number: 1 36/45
7/3 - 81/45 is 8/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
7/3 = 7 × 15/3 × 15 = 105/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
81/45 = 81 × 1/45 × 1 = 81/45 - Subtract the two like fractions:
105/45 - 81/45 = 105 - 81/45 = 24/45 - After reducing the fraction, the answer is 8/15
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