Subtract 72/49 from 81/32, Solve 2 17/32

Subtract 72/49 from 81/32

1^st number: 2 17/32, 2^nd number: 1 23/49

81/32 - 72/49 is 1665/1568.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 49 is 1568

Next, find the equivalent fraction of both fractional numbers with denominator 1568
For the 1st fraction, since 32 × 49 = 1568,
81/32 = 81 × 49/32 × 49 = 3969/1568
Likewise, for the 2nd fraction, since 49 × 32 = 1568,
72/49 = 72 × 32/49 × 32 = 2304/1568
Subtract the two like fractions:
3969/1568 - 2304/1568 = 3969 - 2304/1568 = 1665/1568
In mixed form: 197/1568

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