Add 18/8 and 54/28
1st number: 2 2/8, 2nd number: 1 26/28
18/8 + 54/28 is 117/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
18/8 = 18 × 7/8 × 7 = 126/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
54/28 = 54 × 2/28 × 2 = 108/56 - Add the two like fractions:
126/56 + 108/56 = 126 + 108/56 = 234/56 - 234/56 simplified gives 117/28
- So, 18/8 + 54/28 = 117/28
In mixed form: 45/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8+54/28 18/16+54/28 18/8+54/56 54/8+54/28 18/24+54/28 18/8+54/84 90/8+54/28 18/40+54/28 18/56+54/28