Add 81/4 and 28/8
1st number: 20 1/4, 2nd number: 3 4/8
81/4 + 28/8 is 95/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 4 × 2 = 8,
81/4 = 81 × 2/4 × 2 = 162/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
28/8 = 28 × 1/8 × 1 = 28/8 - Add the two like fractions:
162/8 + 28/8 = 162 + 28/8 = 190/8 - 190/8 simplified gives 95/4
- So, 81/4 + 28/8 = 95/4
In mixed form: 233/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/4+56/8 81/8+28/8 81/4+28/16 81/4+84/8 81/12+28/8 81/4+28/24 81/20+28/8 81/4+28/40 81/28+28/8 81/4+28/56