Subtract 80/56 from 30/75, Solve 30/75

Subtract 80/56 from 30/75

1^st number: 30/75, 2^nd number: 1 24/56

30/75 - 80/56 is -36/35.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 56 is 4200

Next, find the equivalent fraction of both fractional numbers with denominator 4200
For the 1st fraction, since 75 × 56 = 4200,
30/75 = 30 × 56/75 × 56 = 1680/4200
Likewise, for the 2nd fraction, since 56 × 75 = 4200,
80/56 = 80 × 75/56 × 75 = 6000/4200
Subtract the two like fractions:
1680/4200 - 6000/4200 = 1680 - 6000/4200 = -4320/4200
After reducing the fraction, the answer is -36/35

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