Subtract 9/16 from 50/20, Solve 2 10/20

Subtract 9/16 from 50/20

1^st number: 2 10/20, 2^nd number: 9/16

50/20 - 9/16 is 31/16.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 20 × 4 = 80,
50/20 = 50 × 4/20 × 4 = 200/80
Likewise, for the 2nd fraction, since 16 × 5 = 80,
9/16 = 9 × 5/16 × 5 = 45/80
Subtract the two like fractions:
200/80 - 45/80 = 200 - 45/80 = 155/80
After reducing the fraction, the answer is 31/16
In mixed form: 115/16

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