Add 25/18 and 45/28
1st number: 1 7/18, 2nd number: 1 17/28
25/18 + 45/28 is 755/252.
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,
25/18 = 25 × 14/18 × 14 = 350/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
45/28 = 45 × 9/28 × 9 = 405/252 - Add the two like fractions:
350/252 + 405/252 = 350 + 405/252 = 755/252 - So, 25/18 + 45/28 = 755/252
In mixed form: 2251/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18+45/28 25/18+90/28 25/36+45/28 25/18+45/56 75/18+45/28 25/54+45/28 25/18+45/84 25/90+45/28