Add 18/28 and 16/9
1st number: 18/28, 2nd number: 1 7/9
18/28 + 16/9 is 305/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
18/28 = 18 × 9/28 × 9 = 162/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
16/9 = 16 × 28/9 × 28 = 448/252 - Add the two like fractions:
162/252 + 448/252 = 162 + 448/252 = 610/252 - 610/252 simplified gives 305/126
- So, 18/28 + 16/9 = 305/126
In mixed form: 253/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/28+16/9 18/28+32/9 18/56+16/9 18/28+16/18 54/28+16/9 18/28+48/9 18/84+16/9 18/28+16/27 90/28+16/9 18/28+80/9 18/28+16/45 18/28+16/63