Add 1/45 and 1/28
1/45 + 1/28 is 73/1260.
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,
1/45 = 1 × 28/45 × 28 = 28/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
1/28 = 1 × 45/28 × 45 = 45/1260 - Add the two like fractions:
28/1260 + 45/1260 = 28 + 45/1260 = 73/1260 - So, 1/45 + 1/28 = 73/1260
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45+1/28 1/45+2/28 1/90+1/28 1/45+1/56 3/45+1/28 1/45+3/28 1/45+1/84 5/45+1/28 1/45+5/28 7/45+1/28 1/45+7/28