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

Subtract 70/42 from 1/50

1^st number: 1/50, 2^nd number: 1 28/42

1/50 - 70/42 is -247/150.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 50 × 21 = 1050,
1/50 = 1 × 21/50 × 21 = 21/1050
Likewise, for the 2nd fraction, since 42 × 25 = 1050,
70/42 = 70 × 25/42 × 25 = 1750/1050
Subtract the two like fractions:
21/1050 - 1750/1050 = 21 - 1750/1050 = -1729/1050
After reducing the fraction, the answer is -247/150

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