Subtract 36/32 from 30/80, Solve 30/80

Subtract 36/32 from 30/80

1^st number: 30/80, 2^nd number: 1 4/32

30/80 - 36/32 is -3/4.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 32 is 160

Next, find the equivalent fraction of both fractional numbers with denominator 160
For the 1st fraction, since 80 × 2 = 160,
30/80 = 30 × 2/80 × 2 = 60/160
Likewise, for the 2nd fraction, since 32 × 5 = 160,
36/32 = 36 × 5/32 × 5 = 180/160
Subtract the two like fractions:
60/160 - 180/160 = 60 - 180/160 = -120/160
After reducing the fraction, the answer is -3/4

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