Add 7/18 and 54/4
1st number: 7/18, 2nd number: 13 2/4
7/18 + 54/4 is 125/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
7/18 = 7 × 2/18 × 2 = 14/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
54/4 = 54 × 9/4 × 9 = 486/36 - Add the two like fractions:
14/36 + 486/36 = 14 + 486/36 = 500/36 - 500/36 simplified gives 125/9
- So, 7/18 + 54/4 = 125/9
In mixed form: 138/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/18+54/4 7/36+54/4 7/18+54/8 21/18+54/4 7/54+54/4 7/18+54/12 35/18+54/4 7/90+54/4 7/18+54/20 49/18+54/4 7/18+54/28