Add 30/54 and 7/8
30/54 + 7/8 is 103/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
30/54 = 30 × 4/54 × 4 = 120/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
7/8 = 7 × 27/8 × 27 = 189/216 - Add the two like fractions:
120/216 + 189/216 = 120 + 189/216 = 309/216 - 309/216 simplified gives 103/72
- So, 30/54 + 7/8 = 103/72
In mixed form: 131/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/54+7/8 30/54+14/8 30/54+7/16 90/54+7/8 30/54+21/8 30/54+7/24 30/54+35/8 30/54+7/40 30/54+49/8 30/54+7/56