Add 9/7 and 15/54
1st number: 1 2/7, 2nd number: 15/54
9/7 + 15/54 is 197/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
9/7 = 9 × 54/7 × 54 = 486/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
15/54 = 15 × 7/54 × 7 = 105/378 - Add the two like fractions:
486/378 + 105/378 = 486 + 105/378 = 591/378 - 591/378 simplified gives 197/126
- So, 9/7 + 15/54 = 197/126
In mixed form: 171/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7+15/54 9/7+30/54 9/14+15/54 27/7+15/54 9/7+45/54 9/21+15/54 45/7+15/54 9/7+75/54 9/35+15/54 63/7+15/54 9/49+15/54