Add 4/18 and 28/32
4/18 + 28/32 is 79/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 18 × 16 = 288,
4/18 = 4 × 16/18 × 16 = 64/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
28/32 = 28 × 9/32 × 9 = 252/288 - Add the two like fractions:
64/288 + 252/288 = 64 + 252/288 = 316/288 - 316/288 simplified gives 79/72
- So, 4/18 + 28/32 = 79/72
In mixed form: 17/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/18+28/32 4/18+56/32 4/36+28/32 4/18+28/64 12/18+28/32 4/18+84/32 4/54+28/32 4/18+28/96 20/18+28/32 4/90+28/32 28/18+28/32