Add 15/7 and 3/54
1st number: 2 1/7, 2nd number: 3/54
15/7 + 3/54 is 277/126.
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,
15/7 = 15 × 54/7 × 54 = 810/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
3/54 = 3 × 7/54 × 7 = 21/378 - Add the two like fractions:
810/378 + 21/378 = 810 + 21/378 = 831/378 - 831/378 simplified gives 277/126
- So, 15/7 + 3/54 = 277/126
In mixed form: 225/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/7+3/54 15/7+6/54 15/14+3/54 45/7+3/54 15/7+9/54 15/21+3/54 75/7+3/54 15/7+15/54 15/35+3/54 15/7+21/54 15/49+3/54