Add 45/28 and 25/45
1st number: 1 17/28, 2nd number: 25/45
45/28 + 25/45 is 545/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
45/28 = 45 × 45/28 × 45 = 2025/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
25/45 = 25 × 28/45 × 28 = 700/1260 - Add the two like fractions:
2025/1260 + 700/1260 = 2025 + 700/1260 = 2725/1260 - 2725/1260 simplified gives 545/252
- So, 45/28 + 25/45 = 545/252
In mixed form: 241/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+25/45 45/28+50/45 45/56+25/45 45/28+25/90 45/28+75/45 45/84+25/45