Subtract 70/6 from 20/50, Solve 20/50

Subtract 70/6 from 20/50

1^st number: 20/50, 2^nd number: 11 4/6

20/50 - 70/6 is -169/15.

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 6 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 50 × 3 = 150,
20/50 = 20 × 3/50 × 3 = 60/150
Likewise, for the 2nd fraction, since 6 × 25 = 150,
70/6 = 70 × 25/6 × 25 = 1750/150
Subtract the two like fractions:
60/150 - 1750/150 = 60 - 1750/150 = -1690/150
After reducing the fraction, the answer is -169/15

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