Add 54/56 and 45/28
1st number: 54/56, 2nd number: 1 17/28
54/56 + 45/28 is 18/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
54/56 = 54 × 1/56 × 1 = 54/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
45/28 = 45 × 2/28 × 2 = 90/56 - Add the two like fractions:
54/56 + 90/56 = 54 + 90/56 = 144/56 - 144/56 simplified gives 18/7
- So, 54/56 + 45/28 = 18/7
In mixed form: 24/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/56+90/28 54/56+45/56 54/56+45/84