Subtract 36/70 from 81/32, Solve 2 17/32

Subtract 36/70 from 81/32

1^st number: 2 17/32, 2^nd number: 36/70

81/32 - 36/70 is 2259/1120.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 70 is 1120

Next, find the equivalent fraction of both fractional numbers with denominator 1120
For the 1st fraction, since 32 × 35 = 1120,
81/32 = 81 × 35/32 × 35 = 2835/1120
Likewise, for the 2nd fraction, since 70 × 16 = 1120,
36/70 = 36 × 16/70 × 16 = 576/1120
Subtract the two like fractions:
2835/1120 - 576/1120 = 2835 - 576/1120 = 2259/1120
In mixed form: 219/1120

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