Add 28/8 and 16/18
1st number: 3 4/8, 2nd number: 16/18
28/8 + 16/18 is 79/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
28/8 = 28 × 9/8 × 9 = 252/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
16/18 = 16 × 4/18 × 4 = 64/72 - Add the two like fractions:
252/72 + 64/72 = 252 + 64/72 = 316/72 - 316/72 simplified gives 79/18
- So, 28/8 + 16/18 = 79/18
In mixed form: 47/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/8+16/18 28/8+32/18 28/16+16/18 28/8+16/36 84/8+16/18 28/8+48/18 28/24+16/18 28/8+16/54 28/8+80/18 28/40+16/18 28/8+16/90 28/56+16/18