Add 1/54 and 12/7
1st number: 1/54, 2nd number: 1 5/7
1/54 + 12/7 is 655/378.
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,
1/54 = 1 × 7/54 × 7 = 7/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
12/7 = 12 × 54/7 × 54 = 648/378 - Add the two like fractions:
7/378 + 648/378 = 7 + 648/378 = 655/378 - So, 1/54 + 12/7 = 655/378
In mixed form: 1277/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/54+12/7 1/54+24/7 1/54+12/14 3/54+12/7 1/54+36/7 1/54+12/21 5/54+12/7 1/54+60/7 1/54+12/35 7/54+12/7 1/54+84/7 1/54+12/49