Subtract 1/80 from 49/20, Solve 2 9/20

Subtract 1/80 from 49/20

1^st number: 2 9/20, 2^nd number: 1/80

49/20 - 1/80 is 39/16.

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

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 20 × 4 = 80,
49/20 = 49 × 4/20 × 4 = 196/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
1/80 = 1 × 1/80 × 1 = 1/80
Subtract the two like fractions:
196/80 - 1/80 = 196 - 1/80 = 195/80
After reducing the fraction, the answer is 39/16
In mixed form: 27/16

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