Subtract 90/49 from 80/32, Solve 2 16/32

Subtract 90/49 from 80/32

1^st number: 2 16/32, 2^nd number: 1 41/49

80/32 - 90/49 is 65/98.

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,
80/32 = 80 × 49/32 × 49 = 3920/1568
Likewise, for the 2nd fraction, since 49 × 32 = 1568,
90/49 = 90 × 32/49 × 32 = 2880/1568
Subtract the two like fractions:
3920/1568 - 2880/1568 = 3920 - 2880/1568 = 1040/1568
After reducing the fraction, the answer is 65/98

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