Add 81/2 and 16/12
1st number: 40 1/2, 2nd number: 1 4/12
81/2 + 16/12 is 251/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
81/2 = 81 × 6/2 × 6 = 486/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
16/12 = 16 × 1/12 × 1 = 16/12 - Add the two like fractions:
486/12 + 16/12 = 486 + 16/12 = 502/12 - 502/12 simplified gives 251/6
- So, 81/2 + 16/12 = 251/6
In mixed form: 415/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/2+32/12 81/4+16/12 81/2+16/24 81/2+48/12 81/6+16/12 81/2+16/36 81/2+80/12 81/10+16/12 81/2+16/60 81/14+16/12 81/2+16/84