Add 81/16 and 5/75, Solve 5 1/16 + 5/75 as a fraction

Add 81/16 and 5/75

1^st number: 5 1/16, 2^nd number: 5/75

81/16 + 5/75 is 1231/240.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 75 is 1200

Next, find the equivalent fraction of both fractional numbers with denominator 1200
For the 1st fraction, since 16 × 75 = 1200,
81/16 = 81 × 75/16 × 75 = 6075/1200
Likewise, for the 2nd fraction, since 75 × 16 = 1200,
5/75 = 5 × 16/75 × 16 = 80/1200
Add the two like fractions:
6075/1200 + 80/1200 = 6075 + 80/1200 = 6155/1200
6155/1200 simplified gives 1231/240
So, 81/16 + 5/75 = 1231/240
In mixed form: 531/240

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad