Add 5/7 and 36/54
5/7 + 36/54 is 29/21.
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,
5/7 = 5 × 54/7 × 54 = 270/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
36/54 = 36 × 7/54 × 7 = 252/378 - Add the two like fractions:
270/378 + 252/378 = 270 + 252/378 = 522/378 - 522/378 simplified gives 29/21
- So, 5/7 + 36/54 = 29/21
In mixed form: 18/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/7+36/54 5/7+72/54 5/14+36/54 15/7+36/54 5/21+36/54 25/7+36/54 5/35+36/54 35/7+36/54 5/49+36/54