Add 15/28 and 16/18
15/28 + 16/18 is 359/252.
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,
15/28 = 15 × 9/28 × 9 = 135/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
16/18 = 16 × 14/18 × 14 = 224/252 - Add the two like fractions:
135/252 + 224/252 = 135 + 224/252 = 359/252 - So, 15/28 + 16/18 = 359/252
In mixed form: 1107/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28+16/18 15/28+32/18 15/56+16/18 15/28+16/36 45/28+16/18 15/28+48/18 15/84+16/18 15/28+16/54 75/28+16/18 15/28+80/18 15/28+16/90