Subtract 42/9 from 75/56, Solve 1 19/56

Subtract 42/9 from 75/56

1^st number: 1 19/56, 2^nd number: 4 6/9

75/56 - 42/9 is -559/168.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 9 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 56 × 9 = 504,
75/56 = 75 × 9/56 × 9 = 675/504
Likewise, for the 2nd fraction, since 9 × 56 = 504,
42/9 = 42 × 56/9 × 56 = 2352/504
Subtract the two like fractions:
675/504 - 2352/504 = 675 - 2352/504 = -1677/504
After reducing the fraction, the answer is -559/168

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