Add 28/56 and 48/45
1st number: 28/56, 2nd number: 1 3/45
28/56 + 48/45 is 47/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 45 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
28/56 = 28 × 45/56 × 45 = 1260/2520 - Likewise, for the 2nd fraction, since 45 × 56 = 2520,
48/45 = 48 × 56/45 × 56 = 2688/2520 - Add the two like fractions:
1260/2520 + 2688/2520 = 1260 + 2688/2520 = 3948/2520 - 3948/2520 simplified gives 47/30
- So, 28/56 + 48/45 = 47/30
In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/56+96/45 28/56+48/90 84/56+48/45