Add 81/2 and 75/12
1st number: 40 1/2, 2nd number: 6 3/12
81/2 + 75/12 is 187/4.
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,
75/12 = 75 × 1/12 × 1 = 75/12 - Add the two like fractions:
486/12 + 75/12 = 486 + 75/12 = 561/12 - 561/12 simplified gives 187/4
- So, 81/2 + 75/12 = 187/4
In mixed form: 463/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/4+75/12 81/2+75/24 81/6+75/12 81/2+75/36 81/10+75/12 81/2+75/60 81/14+75/12 81/2+75/84