Add 1/45 and 54/28
1st number: 1/45, 2nd number: 1 26/28
1/45 + 54/28 is 1229/630.
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,
1/45 = 1 × 28/45 × 28 = 28/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
54/28 = 54 × 45/28 × 45 = 2430/1260 - Add the two like fractions:
28/1260 + 2430/1260 = 28 + 2430/1260 = 2458/1260 - 2458/1260 simplified gives 1229/630
- So, 1/45 + 54/28 = 1229/630
In mixed form: 1599/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45+54/28 1/90+54/28 1/45+54/56 3/45+54/28 1/45+54/84 5/45+54/28 7/45+54/28