Subtract 25/80 from 20/10, Solve 2 0/10

Subtract 25/80 from 20/10

1^st number: 2 0/10, 2^nd number: 25/80

20/10 - 25/80 is 27/16.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 10 × 8 = 80,
20/10 = 20 × 8/10 × 8 = 160/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
25/80 = 25 × 1/80 × 1 = 25/80
Subtract the two like fractions:
160/80 - 25/80 = 160 - 25/80 = 135/80
After reducing the fraction, the answer is 27/16
In mixed form: 111/16

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