Add 16/28 and 20/18
1st number: 16/28, 2nd number: 1 2/18
16/28 + 20/18 is 106/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
16/28 = 16 × 9/28 × 9 = 144/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
20/18 = 20 × 14/18 × 14 = 280/252 - Add the two like fractions:
144/252 + 280/252 = 144 + 280/252 = 424/252 - 424/252 simplified gives 106/63
- So, 16/28 + 20/18 = 106/63
In mixed form: 143/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/28+20/18 16/28+40/18 16/56+20/18 16/28+20/36 48/28+20/18 16/28+60/18 16/84+20/18 16/28+20/54 80/28+20/18 16/28+20/90