Add 56/28 and 18/45
1st number: 2 0/28, 2nd number: 18/45
56/28 + 18/45 is 12/5.
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,
56/28 = 56 × 45/28 × 45 = 2520/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
18/45 = 18 × 28/45 × 28 = 504/1260 - Add the two like fractions:
2520/1260 + 504/1260 = 2520 + 504/1260 = 3024/1260 - 3024/1260 simplified gives 12/5
- So, 56/28 + 18/45 = 12/5
In mixed form: 22/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/28+36/45 56/28+18/90 56/28+54/45 56/84+18/45 56/28+90/45