Subtract 15/50 from 20/12, Solve 1 8/12

Subtract 15/50 from 20/12

1^st number: 1 8/12, 2^nd number: 15/50

20/12 - 15/50 is 41/30.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 50 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 12 × 25 = 300,
20/12 = 20 × 25/12 × 25 = 500/300
Likewise, for the 2nd fraction, since 50 × 6 = 300,
15/50 = 15 × 6/50 × 6 = 90/300
Subtract the two like fractions:
500/300 - 90/300 = 500 - 90/300 = 410/300
After reducing the fraction, the answer is 41/30
In mixed form: 111/30

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