Add 45/18 and 25/28
1st number: 2 9/18, 2nd number: 25/28
45/18 + 25/28 is 95/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
45/18 = 45 × 14/18 × 14 = 630/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
25/28 = 25 × 9/28 × 9 = 225/252 - Add the two like fractions:
630/252 + 225/252 = 630 + 225/252 = 855/252 - 855/252 simplified gives 95/28
- So, 45/18 + 25/28 = 95/28
In mixed form: 311/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+25/28 45/18+50/28 45/36+25/28 45/18+25/56 45/18+75/28 45/54+25/28 45/18+25/84 45/90+25/28