Add 56/28 and 54/45
1st number: 2 0/28, 2nd number: 1 9/45
56/28 + 54/45 is 16/5.
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,
54/45 = 54 × 28/45 × 28 = 1512/1260 - Add the two like fractions:
2520/1260 + 1512/1260 = 2520 + 1512/1260 = 4032/1260 - 4032/1260 simplified gives 16/5
- So, 56/28 + 54/45 = 16/5
In mixed form: 31/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/28+54/90 56/84+54/45