Add 4/8 and 54/18
1st number: 4/8, 2nd number: 3 0/18
4/8 + 54/18 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
4/8 = 4 × 9/8 × 9 = 36/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
54/18 = 54 × 4/18 × 4 = 216/72 - Add the two like fractions:
36/72 + 216/72 = 36 + 216/72 = 252/72 - 252/72 simplified gives 7/2
- So, 4/8 + 54/18 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/16+54/18 4/8+54/36 12/8+54/18 4/24+54/18 20/8+54/18 4/40+54/18 4/8+54/90 28/8+54/18 4/56+54/18