Add 30/54 and 6/7
30/54 + 6/7 is 89/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
30/54 = 30 × 7/54 × 7 = 210/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
6/7 = 6 × 54/7 × 54 = 324/378 - Add the two like fractions:
210/378 + 324/378 = 210 + 324/378 = 534/378 - 534/378 simplified gives 89/63
- So, 30/54 + 6/7 = 89/63
In mixed form: 126/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/54+6/7 30/54+12/7 30/54+6/14 90/54+6/7 30/54+18/7 30/54+6/21 30/54+30/7 30/54+6/35 30/54+42/7 30/54+6/49