Subtract 70/50 from 75/42, Solve 1 33/42

Subtract 70/50 from 75/42

1^st number: 1 33/42, 2^nd number: 1 20/50

75/42 - 70/50 is 27/70.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 50 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 42 × 25 = 1050,
75/42 = 75 × 25/42 × 25 = 1875/1050
Likewise, for the 2nd fraction, since 50 × 21 = 1050,
70/50 = 70 × 21/50 × 21 = 1470/1050
Subtract the two like fractions:
1875/1050 - 1470/1050 = 1875 - 1470/1050 = 405/1050
After reducing the fraction, the answer is 27/70

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