Add 30/75 and 81/16
1st number: 30/75, 2nd number: 5 1/16
30/75 + 81/16 is 437/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 16 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
30/75 = 30 × 16/75 × 16 = 480/1200 - Likewise, for the 2nd fraction, since 16 × 75 = 1200,
81/16 = 81 × 75/16 × 75 = 6075/1200 - Add the two like fractions:
480/1200 + 6075/1200 = 480 + 6075/1200 = 6555/1200 - 6555/1200 simplified gives 437/80
- So, 30/75 + 81/16 = 437/80
In mixed form: 537/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75+81/16 30/75+81/32 90/75+81/16 30/75+81/48 30/75+81/80