Add 1/2 and 81/4
1st number: 1/2, 2nd number: 20 1/4
1/2 + 81/4 is 83/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 4 is 4
Next, find the equivalent fraction of both fractional numbers with denominator 4 - For the 1st fraction, since 2 × 2 = 4,
1/2 = 1 × 2/2 × 2 = 2/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
81/4 = 81 × 1/4 × 1 = 81/4 - Add the two like fractions:
2/4 + 81/4 = 2 + 81/4 = 83/4 - So, 1/2 + 81/4 = 83/4
In mixed form: 203/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 1/4+81/4 1/2+81/8 3/2+81/4 1/6+81/4 1/2+81/12 5/2+81/4 1/10+81/4 1/2+81/20 7/2+81/4 1/14+81/4 1/2+81/28