Subtract 27/45 from 81/35
1st number: 2 11/35, 2nd number: 27/45
81/35 - 27/45 is 12/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
81/35 = 81 × 9/35 × 9 = 729/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
27/45 = 27 × 7/45 × 7 = 189/315 - Subtract the two like fractions:
729/315 - 189/315 = 729 - 189/315 = 540/315 - After reducing the fraction, the answer is 12/7
- In mixed form: 15/7
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