Subtract 70/3 from 42/50, Solve 42/50

Subtract 70/3 from 42/50

1^st number: 42/50, 2^nd number: 23 1/3

42/50 - 70/3 is -1687/75.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 3 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 50 × 3 = 150,
42/50 = 42 × 3/50 × 3 = 126/150
Likewise, for the 2nd fraction, since 3 × 50 = 150,
70/3 = 70 × 50/3 × 50 = 3500/150
Subtract the two like fractions:
126/150 - 3500/150 = 126 - 3500/150 = -3374/150
After reducing the fraction, the answer is -1687/75

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