Add 30/4 and 81/16
1st number: 7 2/4, 2nd number: 5 1/16
30/4 + 81/16 is 201/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 4 × 4 = 16,
30/4 = 30 × 4/4 × 4 = 120/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
81/16 = 81 × 1/16 × 1 = 81/16 - Add the two like fractions:
120/16 + 81/16 = 120 + 81/16 = 201/16 - So, 30/4 + 81/16 = 201/16
In mixed form: 129/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4+81/16 30/8+81/16 30/4+81/32 90/4+81/16 30/12+81/16 30/4+81/48 30/20+81/16 30/4+81/80 30/28+81/16