Add 3/7 and 35/54
3/7 + 35/54 is 407/378.
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,
3/7 = 3 × 54/7 × 54 = 162/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
35/54 = 35 × 7/54 × 7 = 245/378 - Add the two like fractions:
162/378 + 245/378 = 162 + 245/378 = 407/378 - So, 3/7 + 35/54 = 407/378
In mixed form: 129/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/7+35/54 3/7+70/54 3/14+35/54 9/7+35/54 3/21+35/54 15/7+35/54 3/35+35/54 21/7+35/54 3/49+35/54