Subtract 56/45 from 6/80, Solve 6/80

Subtract 56/45 from 6/80

1^st number: 6/80, 2^nd number: 1 11/45

6/80 - 56/45 is -421/360.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 80 × 9 = 720,
6/80 = 6 × 9/80 × 9 = 54/720
Likewise, for the 2nd fraction, since 45 × 16 = 720,
56/45 = 56 × 16/45 × 16 = 896/720
Subtract the two like fractions:
54/720 - 896/720 = 54 - 896/720 = -842/720
After reducing the fraction, the answer is -421/360

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