Subtract 1/35 from 81/36, Solve 2 9/36

Subtract 1/35 from 81/36

1^st number: 2 9/36, 2^nd number: 1/35

81/36 - 1/35 is 311/140.

Find the least common denominator or LCM of the two denominators:
LCM of 36 and 35 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 36 × 35 = 1260,
81/36 = 81 × 35/36 × 35 = 2835/1260
Likewise, for the 2nd fraction, since 35 × 36 = 1260,
1/35 = 1 × 36/35 × 36 = 36/1260
Subtract the two like fractions:
2835/1260 - 36/1260 = 2835 - 36/1260 = 2799/1260
After reducing the fraction, the answer is 311/140
In mixed form: 231/140

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