Add 49/45 and 81/28
1st number: 1 4/45, 2nd number: 2 25/28
49/45 + 81/28 is 5017/1260.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
49/45 = 49 × 28/45 × 28 = 1372/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
81/28 = 81 × 45/28 × 45 = 3645/1260 - Add the two like fractions:
1372/1260 + 3645/1260 = 1372 + 3645/1260 = 5017/1260 - So, 49/45 + 81/28 = 5017/1260
In mixed form: 31237/1260
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/45+81/28 49/90+81/28 49/45+81/56 49/45+81/84