Subtract 30/14 from 42/50, Solve 42/50

Subtract 30/14 from 42/50

1^st number: 42/50, 2^nd number: 2 2/14

42/50 - 30/14 is -228/175.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 14 is 350

Next, find the equivalent fraction of both fractional numbers with denominator 350
For the 1st fraction, since 50 × 7 = 350,
42/50 = 42 × 7/50 × 7 = 294/350
Likewise, for the 2nd fraction, since 14 × 25 = 350,
30/14 = 30 × 25/14 × 25 = 750/350
Subtract the two like fractions:
294/350 - 750/350 = 294 - 750/350 = -456/350
After reducing the fraction, the answer is -228/175

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